| C----- | 1 |
| C------- | 1 |
| C---------- | 1 |
| C ? | 1 |
| C(?)atins | 1 |
| C. | 21 |
| C?ans | 1 |
| C____ | 1 |
| C__ley | 1 |
| C_o | 1 |
| Ca- | 1 |
| Cabajar | 1 |
| Cabal | 1 |
| Cabbet | 1 |
| Cabbot | 2 |
| Cabbott | 1 |
| Cabel | 1 |
| Cabell | 1 |
| Cabinaw | 1 |
| Cabit | 1 |
| Cable | 26 |
| Cable ?/Snyder ? | 1 |
| Cabob | 1 |
| Cabose | 1 |
| Cabot | 8 |
| Cabras | 1 |
| Cabrera | 1 |
| Cacy | 1 |
| Cada | 1 |
| Cadarette | 1 |
| Caddell | 1 |
| Cadding | 2 |
| Caddwell | 1 |
| Caddy | 1 |
| Cade | 26 |
| Cadeau | 2 |
| Cadekins | 1 |
| Cades | 2 |
| Cadey | 1 |
| Cadez | 1 |
| Cadger | 16 |
| Cadie | 1 |
| Cadwalader | 1 |
| Cadwalder | 2 |
| Cadwallader | 2 |
| Cadwell | 50 |
| Cadwell-Hyde | 3 |
| Cadwick | 1 |
| Cady | 173 |
| Caelinger | 1 |
| Caesar | 1 |
| Caess | 1 |
| Cafagna | 2 |
| Caffee | 1 |
| Caffery | 1 |
| Caffey | 2 |
| Caffray | 1 |
| Caffrey | 9 |
| Cagan ? | 1 |
| Cage | 1 |
| Cager | 3 |
| Caggiano | 3 |
| Cagier | 1 |
| Cagle | 20 |
| Cagler | 1 |
| Cagwin | 1 |
| Cahalan | 1 |
| Cahan | 1 |
| Cahe | 1 |
| Cahill | 36 |
| Cahn | 1 |
| Cahoon | 16 |
| Cahow | 1 |
| Cahse | 1 |
| Cain | 114 |
| Cainburn | 1 |
| Caincross | 1 |
| Caine | 6 |
| Caines | 5 |
| Caird | 2 |
| Cairey | 1 |
| Cairl | 4 |
| Cairns | 9 |
| Cairo | 1 |
| Cairus | 1 |
| Cairy | 2 |
| Caitlin | 1 |
| Cajka | 1 |
| Cakins | 1 |
| Cakir | 1 |
| Caladine | 1 |
| Calahan | 4 |
| Calahn | 2 |
| Calaway | 2 |
| Calber | 1 |
| Calbert | 2 |
| Calcott | 2 |
| Calcutt | 3 |
| Calder | 22 |
| Calderhead | 1 |
| Calderon | 1 |
| Calderone | 5 |
| Caldo | 1 |
| Caldwallader | 1 |
| Caldwell | 123 |
| Caleb | 2 |
| Calendar | 3 |
| Calender | 11 |
| Calentine | 1 |
| Calera | 1 |
| Calero | 3 |
| Caley | 2 |
| Calhoun | 56 |
| Calicutt | 2 |
| Calier | 2 |
| Calille | 2 |
| Caliman-Moore | 1 |
| Calister | 3 |
| Calkins | 99 |
| Calkins/Clark ? | 1 |
| Call | 14 |
| Call/Coll | 1 |
| Callaci | 1 |
| Callaert | 1 |
| Callaghan | 4 |
| Callahan | 64 |
| Callan | 1 |
| Callanan | 1 |
| Callar | 1 |
| Callard | 1 |
| Callas | 1 |
| Callaway | 2 |
| Callen | 5 |
| Callendar | 1 |
| Callenden | 1 |
| Callender | 21 |
| Callender/Callendar/Calender | 1 |
| Caller | 3 |
| Callert | 1 |
| Callery | 1 |
| Callester | 1 |
| Calley | 5 |
| Callicath | 1 |
| Callie | 1 |
| Calliey | 2 |
| Callihan | 10 |
| Callihugh | 1 |
| Calline | 1 |
| Calling | 2 |
| Callis | 1 |
| Callison | 2 |
| Callister | 18 |
| Callister/Calister | 1 |
| Callius | 1 |
| Calloway | 2 |
| Calman | 1 |
| Calnan | 1 |
| Calnery | 1 |
| Calnin | 1 |
| Calon | 2 |
| Calpon | 1 |
| Calrk | 1 |
| Calson | 1 |
| Caltin | 1 |
| Calton | 4 |
| Caltrider | 3 |
| Calvaruso | 5 |
| Calvary | 1 |
| Calvef | 1 |
| Calver | 1 |
| Calvert | 2 |
| Calvin | 28 |
| Calwell | 2 |
| Camamile | 3 |
| Camanick | 1 |
| Cambell | 13 |
| Camble | 1 |
| Cambran | 1 |
| Cambric | 22 |
| Cambridge | 3 |
| Cambron | 4 |
| Camburn | 20 |
| Camburr | 1 |
| Camden | 1 |
| Camera | 1 |
| Cameran | 1 |
| Camerer | 1 |
| Cameron | 111 |
| Camfield | 5 |
| Camille | 1 |
| Camimile | 1 |
| Caminita | 1 |
| Caminsby | 1 |
| Camm | 7 |
| Cammel | 1 |
| Cammeron | 1 |
| Cammon | 1 |
| Camon | 1 |
| Camp | 67 |
| Camp ? | 1 |
| Campa | 1 |
| Campain | 1 |
| Campan | 1 |
| Campana | 1 |
| Campan'a | 1 |
| Campanile | 3 |
| Campanje | 1 |
| Campany | 2 |
| Campau | 14 |
| Campbel | 1 |
| Campbell | 889 |
| Campbell/Iauch | 1 |
| Campbell-Baum | 1 |
| Campbelle | 4 |
| Campbell-Ryan | 1 |
| Campeau | 14 |
| Campell | 6 |
| Campin | 1 |
| Campion | 1 |
| Campione | 1 |
| Campo | 2 |
| Campod | 1 |
| Campos | 2 |
| Camptan | 1 |
| Campton | 1 |
| Campwell | 3 |
| Cams | 1 |
| Can | 1 |
| Canaan | 3 |
| Canada | 7 |
| Canadey | 3 |
| Canady | 7 |
| Canard | 1 |
| Canarton | 1 |
| Canberg | 6 |
| Canburn | 1 |
| Canby | 1 |
| Candan | 3 |
| Cande | 1 |
| Candela | 2 |
| Candell | 1 |
| Candenberger | 1 |
| Candler | 8 |
| Cane | 15 |
| Canebia | 1 |
| Canedy | 57 |
| Canell | 1 |
| Canelly | 1 |
| Canen | 1 |
| Caner | 1 |
| Canes | 1 |
| Canfield | 287 |
| Canfields | 1 |
| Canham | 2 |
| Canick | 1 |
| Caniff | 2 |
| Canigliaro | 1 |
| Canile | 1 |
| Canine | 1 |
| Canite | 1 |
| Canlbury | 1 |
| Canley | 2 |
| Canm | 3 |
| Cann | 4 |
| Canna | 1 |
| Cannady | 1 |
| Cannarile | 4 |
| Cannaven | 1 |
| Cannel | 2 |
| Cannell | 9 |
| Canniff | 3 |
| Canning | 1 |
| Cannody | 1 |
| Cannon | 44 |
| Cannte | 1 |
| Cannute | 1 |
| Canode | 2 |
| Canon | 2 |
| Canoot | 2 |
| Canout | 1 |
| Canpbell | 1 |
| Canrike | 2 |
| Canrod | 1 |
| Canten | 1 |
| Canter | 9 |
| Canterbury | 5 |
| Cantin | 2 |
| Cantine | 32 |
| Canton | 1 |
| Cantrell | 11 |
| Cantu | 20 |
| Cantwell | 20 |
| Canty | 2 |
| Canut | 1 |
| Canute | 16 |
| Canuts | 1 |
| Canzen | 1 |
| Cao | 2 |
| Caobbot | 1 |
| Capcandi | 1 |
| Capdarest | 1 |
| Capell | 2 |
| Capen | 15 |
| Capenhaver | 2 |
| Caper | 1 |
| Capewall | 2 |
| Capewell | 3 |
| Capin | 1 |
| Capitano | 1 |
| Capitola | 1 |
| Caplanis | 1 |
| Caple | 9 |
| Capler | 2 |
| Caplin | 3 |
| Caplinger | 15 |
| Capman | 2 |
| Capon | 3 |
| Capon ? | 1 |
| Capoon | 1 |
| Caporosso | 1 |
| Capp | 2 |
| Cappalbo | 1 |
| Cappel | 2 |
| Cappell | 1 |
| Cappella | 1 |
| Cappens | 1 |
| Capper | 4 |
| Cappers | 3 |
| Cappo | 1 |
| Cappock | 1 |
| Cappon | 10 |
| Capps | 3 |
| Cappy | 4 |
| Capraro | 1 |
| Caprathe | 1 |
| Caprenter | 1 |
| Capron | 19 |
| Captain | 3 |
| Caputo | 3 |
| Capwell | 25 |
| Capwell/Copwell | 2 |
| Capwell-Fox | 1 |
| Car | 2 |
| Car_el | 2 |
| Carafelli | 1 |
| Carakadon | 1 |
| Caram | 1 |
| Carary | 1 |
| Caraway | 1 |
| Carbary | 1 |
| Carbaugh | 6 |
| Carbaught | 1 |
| Carbee | 1 |
| Carber | 1 |
| Carbine | 2 |
| Carbis | 1 |
| Carbon | 1 |
| Carbonell | 1 |
| Carbtree | 1 |
| Carcia | 1 |
| Card | 51 |
| Cardell | 1 |
| Cardemas | 1 |
| Carden | 7 |
| Cardenas | 17 |
| Carder | 1 |
| Cardey | 1 |
| Cardey ? | 1 |
| Card-Hovis | 1 |
| Cardiff | 1 |
| Cardinal | 4 |
| Cardinas | 5 |
| Cardo | 1 |
| Cardosa | 1 |
| Cards | 1 |
| Cardwell | 7 |
| Cardy | 3 |
| Cardy's | 1 |
| Care | 2 |
| Carel | 1 |
| Carell | 1 |
| Caren | 1 |
| Carendas | 1 |
| Carens | 1 |
| Carew | 3 |
| Carey | 299 |
| Cargar | 2 |
| Cargass | 1 |
| Carger | 1 |
| Cargers | 1 |
| Carghill | 1 |
| Cargile | 1 |
| Cargill | 9 |
| Cargo | 54 |
| Carhart | 2 |
| Carhartt | 1 |
| Carian | 2 |
| Cariber | 1 |
| Cariby | 1 |
| Cariell | 1 |
| Carien | 1 |
| Carier | 3 |
| Carier/Carrier | 2 |
| Carino | 1 |
| Caris | 4 |
| Carispell | 1 |
| Cariton | 1 |
| Cark | 3 |
| Carkeet | 1 |
| Carl | 87 |
| Carland | 3 |
| Carle | 2 |
| Carlen | 1 |
| Carler | 1 |
| Carleson | 1 |
| Carleton | 19 |
| Carlett | 1 |
| Carlette | 1 |
| Carlew | 1 |
| Carley | 6 |
| Carlie | 1 |
| Carlin | 4 |
| Carling | 1 |
| Carlington | 5 |
| Carlis | 2 |
| Carlisle | 19 |
| Carlock | 1 |
| Carlon | 1 |
| Carlow | 1 |
| Carls | 2 |
| Carlson | 97 |
| Carlson ???? | 1 |
| Carlton | 88 |
| Carlyle | 3 |
| Carlyon | 5 |
| Carmack | 6 |
| Carman | 150 |
| Carmand | 1 |
| Carmany | 11 |
| Carmay | 1 |
| Carmen | 23 |
| Carmer | 6 |
| Carmeron | 2 |
| Carmers | 1 |
| Carmichael | 10 |
| Carmien | 1 |
| Carmina | 1 |
| Carmody | 5 |
| Carmon | 31 |
| Carmondy | 2 |
| Carmoney | 71 |
| Carmons | 4 |
| Carmony | 28 |
| Carmory | 1 |
| Carn | 5 |
| Carnage | 1 |
| Carnaghi | 1 |
| Carnago | 1 |
| Carnaham | 2 |
| Carnahan | 6 |
| Carnall | 1 |
| Carndall | 1 |
| Carne | 2 |
| Carneal | 1 |
| Carnegie | 4 |
| Carnell | 14 |
| Carnell & Son | 1 |
| Carner | 2 |
| Carnes | 19 |
| Carnes/Carmes? | 1 |
| Carnevale | 2 |
| Carney | 40 |
| Carnicom | 2 |
| Carnish | 1 |
| Carns | 2 |
| Carnterry | 1 |
| Caro | 2 |
| Carol | 4 |
| Carold | 3 |
| Carolds | 2 |
| Carold's | 1 |
| Caroll | 3 |
| Carols | 1 |
| Carolus | 1 |
| Carolyn Jane | 1 |
| Caron | 5 |
| Carooll | 1 |
| Carother | 1 |
| Carothers | 22 |
| Carp | 1 |
| Carpary | 1 |
| Carpell | 1 |
| Carpendall | 1 |
| Carpender | 1 |
| Carpenkawer | 1 |
| Carpentar | 1 |
| Carpenter | 782 |
| Carpenter/ Hasty | 1 |
| Carpenter-Chandler | 1 |
| Carpenters | 1 |
| Carpentier | 1 |
| Carper | 2 |
| Carpneter | 1 |
| Carpp | 2 |
| Carquay | 1 |
| Carr | 332 |
| Carr /Cook ? | 1 |
| Carrage | 2 |
| Carranza | 2 |
| Carrasco | 1 |
| Carrel | 18 |
| Carrell | 18 |
| Carreron | 1 |
| Carrers | 1 |
| Carres | 1 |
| Carrett | 1 |
| Carrey | 2 |
| Carrick | 47 |
| Carrico | 3 |
| Carrie | 6 |
| Carrier | 105 |
| Carriere | 1 |
| Carriero | 1 |
| Carrig | 1 |
| Carrigan | 37 |
| Carriger | 1 |
| Carril | 1 |
| Carrill | 4 |
| Carrillo | 1 |
| Carrin | 1 |
| Carrington | 23 |
| Carris | 9 |
| Carrizales | 1 |
| Carrol | 4 |
| Carrold | 1 |
| Carrold's | 1 |
| Carroll | 182 |
| Carrolle | 5 |
| Carron | 1 |
| Carrow | 16 |
| Carr-Stimson | 1 |
| Carruis | 1 |
| Carruth | 4 |
| Carruthers | 4 |
| Carry | 5 |
| Carskadon | 3 |
| Carson | 88 |
| Carson/Carsons | 1 |
| Carstairs | 3 |
| Carstens | 9 |
| Carstensen | 1 |
| Carswell | 11 |
| Cartaya | 1 |
| Cartch | 1 |
| Carter | 525 |
| Carters | 1 |
| Cartey | 3 |
| Cartis | 1 |
| Cartland | 1 |
| Cartlett | 1 |
| Carton | 6 |
| Cartright | 6 |
| Cartwright | 24 |
| Carty | 18 |
| Caruer | 1 |
| Carus | 15 |
| Caruso | 5 |
| Caruss | 31 |
| Caruth | 1 |
| Caruthers | 10 |
| Carva | 1 |
| Carvell | 3 |
| Carven | 1 |
| Carver | 116 |
| Carveth | 13 |
| Carville | 1 |
| Carwin | 1 |
| Cary | 64 |
| Cary? | 1 |
| Carye | 1 |
| Caryell | 1 |
| Casabianca | 1 |
| Casad | 2 |
| Casad/Cosad ? | 6 |
| Casada | 8 |
| Casaday | 21 |
| Casadie | 1 |
| Casady | 4 |
| Casall | 1 |
| Casanane | 1 |
| Casanova | 8 |
| Casarez | 2 |
| Casas | 2 |
| Casatlos | 1 |
| Cascaddan | 1 |
| Cascadden | 4 |
| Cascaden | 1 |
| Cascarelli | 18 |
| Cascarilla | 4 |
| Cascarilli | 1 |
| Cascell | 1 |
| Cascerilli | 1 |
| Casciani | 1 |
| Case | 341 |
| Case?? | 1 |
| Cased | 1 |
| Casely | 2 |
| Caserd | 1 |
| Caserton | 1 |
| Casey | 143 |
| Casgrain | 2 |
| Cash | 26 |
| Cashan ? | 1 |
| Cashar | 10 |
| Cashdollar | 2 |
| Cashen | 2 |
| Casher | 33 |
| Cashew | 1 |
| Cashier | 3 |
| Cashin | 1 |
| Cashman | 3 |
| Cashmore | 1 |
| Cashner | 1 |
| Cashum | 1 |
| Casier | 1 |
| Casier/Cozier/Cazier | 1 |
| Casilillo | 1 |
| Casillas | 4 |
| Cask | 1 |
| Caske | 1 |
| Caskey | 3 |
| Caskin | 2 |
| Casler | 284 |
| Casler ? | 1 |
| Caslor | 2 |
| Caslser | 1 |
| Casmon | 1 |
| Casner | 16 |
| Casold | 1 |
| Cason | 1 |
| Caspar | 1 |
| Casper | 29 |
| Cass | 54 |
| Cassaburg | 1 |
| Cassada | 1 |
| Cassaday | 5 |
| Cassaddy | 1 |
| Cassady | 8 |
| Cassanova | 1 |
| Cassar | 1 |
| Cassard | 2 |
| Cassel | 27 |
| Cassel/Tryon | 1 |
| Cassell | 2 |
| Casselman | 2 |
| Casselton | 1 |
| Cassese | 1 |
| Cassey | 1 |
| Cassida | 1 |
| Cassiday | 4 |
| Cassidey | 1 |
| Cassidy | 37 |
| Cassidy/Cassiday/Cassady | 1 |
| Cassie | 1 |
| Cassilman | 2 |
| Cassis | 1 |
| Cassity | 6 |
| Cassle | 1 |
| Cassleman | 3 |
| Cassler | 6 |
| Casswell | 2 |
| Cassy | 1 |
| Cast | 5 |
| Castagnasso | 2 |
| Castaneda | 1 |
| Castanon | 1 |
| Castator | 1 |
| Casteel | 30 |
| Casteele | 2 |
| Castelein | 12 |
| Casteles | 1 |
| Casteleyn | 6 |
| Castelian | 1 |
| Castelin | 2 |
| Castellani | 2 |
| Castello | 3 |
| Caster | 9 |
| Casterlain | 1 |
| Casterlin | 19 |
| Casterline | 15 |
| Casterliu | 1 |
| Casterloin | 1 |
| Casterton | 3 |
| Castetter | 1 |
| Castig | 1 |
| Castiglione | 1 |
| Castile | 1 |
| Castilla | 2 |
| Castillo | 26 |
| Castillon | 1 |
| Castle | 25 |
| Castleberry | 4 |
| Castleman | 1 |
| Castler | 10 |
| Castner | 10 |
| Castoline | 1 |
| Castor | 7 |
| Castora | 1 |
| Castro | 4 |
| Castry | 1 |
| Castts | 3 |
| Castwell | 1 |
| Caswell | 51 |
| Casy | 1 |
| Catalano | 1 |
| Cataline | 36 |
| Catalino | 1 |
| Catallo | 18 |
| Catand | 1 |
| Catanzaro | 2 |
| Catchpole | 1 |
| Cate | 3 |
| Catelain | 4 |
| Cater | 9 |
| Caterina | 1 |
| Catering | 1 |
| Caterini | 1 |
| Caterino | 21 |
| Caterion | 1 |
| Cates | 40 |
| Catey | 40 |
| Cathart | 1 |
| Cathcard | 1 |
| Cathcart | 38 |
| Catherine | 1 |
| Catherman | 6 |
| Catheron | 1 |
| Cathey | 2 |
| Cathren | 1 |
| Catin | 1 |
| Cation | 1 |
| Catlett | 1 |
| Catlin | 44 |
| Catlins | 1 |
| Catnach | 1 |
| Cato | 1 |
| Caton | 12 |
| Catrell | 1 |
| Catrelle | 1 |
| Catron | 4 |
| Cats | 7 |
| Catt | 14 |
| Catt_ _ | 1 |
| Catte | 1 |
| Cattestor | 1 |
| Catto | 7 |
| Catton | 1 |
| Cattrell | 4 |
| Caty | 4 |
| Cau | 1 |
| Cauch | 1 |
| Cauchon | 1 |
| Caudell | 6 |
| Caudill | 23 |
| Caudy | 4 |
| Cauffield | 1 |
| Caufield | 6 |
| Caughell | 1 |
| Caughey | 10 |
| Caughney | 1 |
| Caughy | 1 |
| Cauldren | 1 |
| Caulk | 1 |
| Caulkins | 8 |
| Caulsen | 1 |
| Caulson ? | 2 |
| Caultren | 1 |
| Caum | 1 |
| Cauneac | 2 |
| Caunte | 2 |
| Caurer | 1 |
| Caurter | 1 |
| Causbrook | 1 |
| Causey | 1 |
| Causie | 5 |
| Causten | 2 |
| Causter | 2 |
| Caustes | 2 |
| Cauther | 1 |
| Cavalier | 1 |
| Cavallo | 1 |
| Cavalry | 1 |
| Cavanagh | 11 |
| Cavanajh | 1 |
| Cavanaugh | 25 |
| Cavanough | 1 |
| Cavaruzo | 1 |
| Cave | 2 |
| Cavello | 5 |
| Cavelry | 1 |
| Cavenagh | 1 |
| Cavenaugh | 5 |
| Cavendar | 1 |
| Cavender | 5 |
| Caveney | 1 |
| Cavenough | 1 |
| Caverly | 6 |
| Cavern | 1 |
| Caves | 2 |
| Cavett | 2 |
| Cavie | 1 |
| Cavill | 1 |
| Cavin | 5 |
| Cavinder | 5 |
| Cavins | 2 |
| Cawes | 1 |
| Cawley | 1 |
| Cawood | 1 |
| Cawsey | 3 |
| Cawthorpe | 3 |
| Cay | 4 |
| Cayan | 2 |
| Cayo | 4 |
| Cayton | 19 |
| Caywood | 3 |
| Caza | 2 |
| Cazar | 1 |
| Cazer | 1 |
| Cazier | 33 |
| Cazler | 1 |
| Cazmier | 1 |
| Cazwell | 1 |
| Cbodd | 1 |
| Ccarpenter | 1 |
| Ccarter | 1 |
| Ceach | 1 |
| Ceamor | 1 |
| Ceamton | 1 |
| Ceasar | 7 |
| Cease | 2 |
| Ceaser | 1 |
| Ceasr | 2 |
| Cecchinato | 1 |
| Cecil | 7 |
| Ceclay ? | 1 |
| Cedar | 1 |
| Cedarstaff | 1 |
| Cederborn | 1 |
| Ceise | 1 |
| Celarier | 1 |
| Celentino | 3 |
| Celey | 1 |
| Cella | 1 |
| Cellars | 2 |
| Celly | 1 |
| Cemenway | 1 |
| Cemer | 2 |
| Cemons | 1 |
| Cena | 3 |
| Censa | 1 |
| Censoni | 1 |
| Cepuch | 1 |
| Cerda | 1 |
| Ceresco | 1 |
| Cermak | 1 |
| Cerny | 1 |
| Cerra | 4 |
| Cerrick | 1 |
| Cerrun | 2 |
| Cerson | 1 |
| Cervantes | 37 |
| Cervelli | 2 |
| Cerza | 2 |
| Cesarz | 2 |
| Cesena | 1 |
| Cesler | 1 |
| Cesmus | 1 |
| Cesna | 1 |
| Cessana | 1 |
| Cessar | 1 |
| Cessna | 31 |
| Cessnea | 1 |
| Cestin | 1 |
| Cetawar | 1 |
| Ceterski | 1 |
| Cetzsen | 1 |
| Cevey | 1 |
| Chabeateur | 1 |
| Chabot | 1 |
| Chabut | 2 |
| Chace | 2 |
| Chad | 1 |
| Chadbourn | 1 |
| Chadbourne | 6 |
| Chadderdon | 1 |
| Chaddock | 6 |
| Chadler | 2 |
| Chadsey | 2 |
| Chadwell | 11 |
| Chadwic | 2 |
| Chadwich | 5 |
| Chadwick | 141 |
| Chadwick/Russell? | 1 |
| Chadwicke | 1 |
| Chae | 1 |
| Chaer | 2 |
| Chafee | 6 |
| Chafey | 2 |
| Chaffe | 1 |
| Chaffee | 46 |
| Chaffee-Flowers | 1 |
| Chaffel | 1 |
| Chaffell | 1 |
| Chaffey | 1 |
| Chaffie | 2 |
| Chaffin | 11 |
| Chaffull | 1 |
| Chaflee | 1 |
| Chaflin | 5 |
| Chafuner | 1 |
| Chafy | 1 |
| Chahen | 1 |
| Chahine | 1 |
| Chahplin | 1 |
| Chahye | 2 |
| Chalcroft | 1 |
| Chalendar | 5 |
| Chalendars | 1 |
| Chalendas | 1 |
| Chalender | 38 |
| Chalenders | 1 |
| Chalfield | 2 |
| Chalhan | 1 |
| Chalk | 4 |
| Chalker | 19 |
| Chall | 1 |
| Challacombe | 2 |
| Challander | 7 |
| Challen | 1 |
| Challendar | 3 |
| Challender | 162 |
| Challenders | 1 |
| Challenger | 1 |
| Challeuder | 4 |
| Challgren | 5 |
| Challis | 1 |
| Challiss | 1 |
| Challman | 1 |
| Chalmers | 3 |
| Chalton | 1 |
| Chalut | 4 |
| Chamacki | 1 |
| Chamasen | 1 |
| Chamber | 2 |
| Chamberbin | 1 |
| Chamberlain | 143 |
| Chamberlan | 1 |
| Chamberland | 1 |
| Chamberlin | 54 |
| Chambers | 109 |
| Chamblee | 2 |
| Chamblin | 9 |
| Chambo | 5 |
| Chamlin | 1 |
| Champ | 1 |
| Champagne | 10 |
| Champion | 21 |
| Champlain | 21 |
| Champlan | 1 |
| Champlian | 1 |
| Champlim | 1 |
| Champlin | 129 |
| Champlin/Champlain | 2 |
| Champlin/Chaplin | 1 |
| Champman | 1 |
| Champney | 1 |
| Champod | 13 |
| Champoe | 1 |
| Champos | 1 |
| Champras | 1 |
| Champtin | 1 |
| Champton | 1 |
| Chan | 2 |
| Chance | 47 |
| Chancer | 1 |
| Chancey | 2 |
| Chancy | 1 |
| Chandlar | 1 |
| Chandler | 127 |
| Chaney | 35 |
| Chaniplin | 1 |
| Channel | 1 |
| Channell | 7 |
| Channels | 2 |
| Chanplin | 1 |
| Chanson | 1 |
| Chanthakhammy | 7 |
| Chanthakkammy | 1 |
| Chantrenne | 1 |
| Chants | 7 |
| Chantz | 1 |
| Chapal | 2 |
| Chapel | 35 |
| Chapell | 11 |
| Chapelle | 8 |
| Chapen | 1 |
| Chapin | 130 |
| Chapins | 2 |
| Chapko | 2 |
| Chaplain | 6 |
| Chaple | 1 |
| Chaplin | 66 |
| Chapman | 429 |
| Chapman-Brunk | 1 |
| Chapmans | 1 |
| Chapmna | 1 |
| Chapoten | 1 |
| Chapoton | 1 |
| Chappall | 1 |
| Chappel | 41 |
| Chappel/Chappell | 1 |
| Chappele | 2 |
| Chappell | 172 |
| Chappell, Osman | 1 |
| Chappell/Chappel | 2 |
| Chappelle | 8 |
| Chappely | 1 |
| Chappie | 2 |
| Chapple | 15 |
| Chaprnka | 1 |
| Chapson | 1 |
| Charalambous | 2 |
| Charbohneau | 1 |
| Charboneau | 4 |
| Charcosette | 1 |
| Chard | 1 |
| Charde | 1 |
| Chare | 1 |
| Charest | 1 |
| Charette | 1 |
| Charger | 1 |
| Charier | 1 |
| Charkut | 2 |
| Charland | 7 |
| Charlefour | 10 |
| Charlefous | 1 |
| Charles | 41 |
| Charleston | 1 |
| Charley | 1 |
| Charlick | 1 |
| Charlie | 6 |
| Charliefour | 1 |
| Charlin | 1 |
| Charlotte | 2 |
| Charlow | 2 |
| Charlton | 13 |
| Charmatz | 1 |
| Charmek | 2 |
| Charnley | 1 |
| Charon | 1 |
| Charpentier | 1 |
| Charroll | 1 |
| Charron | 6 |
| Chart | 1 |
| Charter | 14 |
| Charters | 1 |
| Chartier | 4 |
| Chartrand | 6 |
| Chartrant | 1 |
| Chas. | 1 |
| Chase | 276 |
| Chase-Nelson | 1 |
| Chassee | 1 |
| Chastain | 2 |
| Chastine | 6 |
| Chasty | 1 |
| Chataqua | 1 |
| Chater | 1 |
| Chaterdon | 3 |
| Chatfield | 123 |
| Chatfields | 1 |
| Chatham | 1 |
| Chathy | 1 |
| Chatman | 22 |
| Chatmans | 3 |
| Chattaway | 2 |
| Chatterton | 6 |
| Chatton | 1 |
| Chatwick | 1 |
| Chatziloukas | 1 |
| Chaudhary | 2 |
| Chaulcraft | 2 |
| Chaunce | 3 |
| Chauncey | 4 |
| Chauncy | 2 |
| Chauret | 3 |
| Chauvin | 1 |
| Chaveir | 1 |
| Chavez | 15 |
| Chavin | 1 |
| Chavis | 2 |
| Chavis-Noffsinger | 1 |
| Chavous | 1 |
| Chawis | 1 |
| Chawlcraft | 9 |
| Chawlcroft | 2 |
| Chawleraft | 1 |
| Che | 1 |
| Cheadle | 12 |
| Cheal | 100 |
| Chealle | 1 |
| Cheatamn | 1 |
| Cheatham | 11 |
| Cheavlier | 1 |
| Chebanse | 1 |
| Chebli | 3 |
| Check | 4 |
| Checkovitz | 1 |
| Chedell | 1 |
| Cheek | 6 |
| Cheeks | 2 |
| Cheelman | 1 |
| Cheeney | 15 |
| Cheeny | 2 |
| Cheesbond | 1 |
| Cheesboro | 2 |
| Cheesbro | 3 |
| Cheeseman | 23 |
| Cheesemond | 6 |
| Cheesemoud | 2 |
| Cheesman | 13 |
| Cheesmond | 26 |
| Cheetham | 5 |
| Cheetman | 3 |
| Cheever | 5 |
| Cheevre | 1 |
| Chege | 1 |
| Chegwidden | 4 |
| Chehowski | 4 |
| Cheia | 2 |
| Chelf | 1 |
| Chellberg | 1 |
| Chells | 1 |
| Chelson | 1 |
| Chemack | 1 |
| Chemacki | 15 |
| Chen | 1 |
| Chenard | 1 |
| Chenault | 2 |
| Chene | 4 |
| Cheney | 135 |
| Cheney ? | 5 |
| Cheng | 3 |
| Chennareddy | 2 |
| Chenny | 1 |
| Chenourth | 1 |
| Chenoweth | 18 |
| Chenther | 1 |
| Cheny | 1 |
| Chepkemoi | 1 |
| Cheplick | 2 |
| Chepy | 2 |
| Cherburn | 1 |
| Cherdavoyne | 1 |
| Cherest | 1 |
| Cherette | 1 |
| Cherisrnski | 1 |
| Chermak | 1 |
| Chernocovich | 1 |
| Cherota | 2 |
| Cherper | 1 |
| Cherpes | 7 |
| Cherrett | 1 |
| Cherrette | 2 |
| Cherrey | 1 |
| Cherry | 99 |
| Cherwak | 1 |
| Chesam | 1 |
| Chesamond | 1 |
| Chesbro | 2 |
| Chesbrough | 1 |
| Chesebro | 1 |
| Cheseley | 2 |
| Cheseman | 1 |
| Chesley | 13 |
| Chesmil | 1 |
| Chesney | 2 |
| Chesnut | 9 |
| Chessman | 2 |
| Chessmond | 1 |
| Chessna | 1 |
| Chester | 9 |
| Chestnut | 21 |
| Chetfield | 1 |
| Chetham | 1 |
| Chettle | 1 |
| Chevalier | 36 |
| Chevalies | 2 |
| Chevalin | 1 |
| Chevelier | 2 |
| Chevis | 1 |
| Chevreis | 1 |
| Chevrie | 5 |
| Chevrolet | 1 |
| Chew | 15 |
| Chewidden | 1 |
| Cheyne | 7 |
| Chi | 1 |
| Chiasson | 3 |
| Chicago, Ill. | 1 |
| Chichester | 2 |
| Chick | 5 |
| Chickering | 4 |
| Chidester | 11 |
| Chidister | 1 |
| Chidoster | 1 |
| Chidsey | 1 |
| Chidster | 1 |
| Chief | 3 |
| Chievelier | 1 |
| Chilch | 1 |
| Chilcoat | 3 |
| Chilcote | 14 |
| Chilcotte | 1 |
| Child | 21 |
| Child & Walters | 1 |
| Child ? | 1 |
| Childe | 1 |
| Childerhose | 1 |
| Childers | 7 |
| Childress | 2 |
| Childrey | 1 |
| Childs | 377 |
| Chiles | 25 |
| Chilkos | 1 |
| Chillcot Farm | 1 |
| Chillcothe | 1 |
| Chillock | 1 |
| Chilsom | 1 |
| Chilson | 41 |
| Chilton | 1 |
| Chin | 9 |
| Ching | 2 |
| Chingman | 4 |
| Chingo | 1 |
| Chininis | 3 |
| Chinnock | 9 |
| Chipchase | 2 |
| Chipman | 45 |
| Chipp | 3 |
| Chippewa | 4 |
| Chipps | 10 |
| Chippway | 3 |
| Chips | 7 |
| Chirch | 1 |
| Chirko | 3 |
| Chirstopherson | 1 |
| Chisebran | 1 |
| Chishelm | 1 |
| Chisholm | 24 |
| Chisler | 2 |
| Chism | 3 |
| Chisolm | 6 |
| Chissom | 1 |
| Chistian | 1 |
| Chitester | 1 |
| Chittenden | 9 |
| Chittendon | 1 |
| Chitwood | 5 |
| Chitz | 1 |
| Chiuniti | 2 |
| Chiunti | 4 |
| Chivers | 4 |
| Chiverton | 1 |
| Chivingston | 1 |
| Chivington | 8 |
| Chiznak | 1 |
| Chlebo | 1 |
| Chlordora | 1 |
| Chlorou | 1 |
| Chlystek | 7 |
| Chmielewicz | 1 |
| Chmielewski | 1 |
| Cho | 1 |
| Choat | 2 |
| Choat/Choate | 1 |
| Choata | 1 |
| Choate | 62 |
| Choatie | 1 |
| Choats | 2 |
| Chocklette | 1 |
| Chocola | 1 |
| Choe | 2 |
| Choiniere | 1 |
| Cholut | 1 |
| Chomic | 2 |
| Chong | 2 |
| Chonka | 1 |
| Chonley | 1 |
| Chopel | 1 |
| Chopin | 3 |
| Chopman | 1 |
| Chopmon | 1 |
| Chopourian | 2 |
| Chopp | 3 |
| Choppell | 3 |
| Chopper | 5 |
| Chopskie | 1 |
| Chora | 2 |
| Chorak | 2 |
| Chorley | 1 |
| Chorpenning | 1 |
| Chorus | 1 |
| Chose | 2 |
| Chotfield | 1 |
| Chotwell | 1 |
| Chouinard | 1 |
| Chouinart | 1 |
| Chowen | 2 |
| Chowin | 1 |
| Chrapek | 1 |
| Chrauch | 5 |
| Chreisty | 1 |
| Chris ? | 1 |
| Chrisher | 1 |
| Chrisholm | 2 |
| Chrisitan | 5 |
| Chrisler | 1 |
| Chrislip | 1 |
| Chrisman | 6 |
| Chrispell | 2 |
| Chriss | 1 |
| Christ | 9 |
| Christacopulos | 4 |
| Christain | 2 |
| Christe | 2 |
| Christee | 1 |
| Christen | 3 |
| Christenas | 1 |
| Christensen | 73 |
| Christensen/Reed ? | 1 |
| Christenson | 14 |
| Christenson ? | 1 |
| Christi | 2 |
| Christian | 74 |
| Christiancy | 4 |
| Christiansen | 34 |
| Christiansin | 1 |
| Christianson | 7 |
| Christides | 2 |
| Christie | 59 |
| Christieb | 1 |
| Christis | 1 |
| Christison | 1 |
| Christler | 2 |
| Christman | 5 |
| Christmas | 15 |
| Christoferson | 3 |
| Christoffensen | 1 |
| Christoffersen | 1 |
| Christofferson | 1 |
| Christonos | 1 |
| Christopher | 38 |
| Christophersen | 2 |
| Christopherson | 6 |
| Christpher | 1 |
| Christy | 11 |
| Chroch | 1 |
| Chronch | 1 |
| Chronister | 1 |
| Chrons | 1 |
| Chrothers | 2 |
| Chrouch | 25 |
| Chrough | 2 |
| Chroven | 1 |
| Chrrouch | 1 |
| Chruch | 4 |
| Chruszczak | 1 |
| Chrysler | 4 |
| Chrystal | 1 |
| Chrystan | 1 |
| Chu | 2 |
| Chubb | 15 |
| Chube | 1 |
| Chubner | 2 |
| Chuck | 7 |
| Chudley | 18 |
| Chuie | 1 |
| Chulick | 1 |
| Chulski | 2 |
| Chultz | 3 |
| Chum | 1 |
| Chumasen | 1 |
| Chumbley | 5 |
| Chumbly | 1 |
| Chumney | 1 |
| Chumsere | 1 |
| Chung | 1 |
| Chunko | 4 |
| Chunn | 3 |
| Chupp | 1 |
| Church | 425 |
| Churchell | 2 |
| Churches | 8 |
| Churchhill | 1 |
| Churchholds | 1 |
| Churchill | 58 |
| Churck | 1 |
| Churte | 1 |
| Chute | 15 |
| Chuzum | 1 |
| Chwatum | 1 |
| Chwatun | 1 |
| Chynaworth | 2 |
| Chynoweth | 2 |
| Chynowith | 2 |
| Ciaflin | 4 |
| Ciagni | 1 |
| Ciambella | 1 |
| Ciampa | 1 |
| Cianteo | 2 |
| Cibbard | 1 |
| Ciborowski | 2 |
| Cical | 1 |
| Cichon | 1 |
| Cicognani | 2 |
| Cicorelli | 6 |
| Cielen | 2 |
| Ciement | 1 |
| Ciemnik | 1 |
| Ciennik | 1 |
| Ciepiewicy | 1 |
| Ciepiewicz | 1 |
| Cieremans | 1 |
| Cierlik | 12 |
| Ciesielski | 2 |
| Ciesla | 1 |
| Cieslar | 1 |
| Cieszynski | 2 |
| Ciferri | 3 |
| Cigan | 1 |
| Cigard | 1 |
| Cignorelo | 1 |
| Cihak | 2 |
| Cike | 1 |
| Cilentino | 1 |
| Cill | 1 |
| Cilley | 4 |
| Cillonary | 1 |
| Ciloski | 1 |
| Cilvernail | 1 |
| Cimala | 2 |
| Cimerman | 1 |
| Ciminello | 1 |
| Cimino | 1 |
| Cimmermon | 1 |
| Cimmier | 1 |
| Cimount | 1 |
| Cinabro | 1 |
| Cinnerman | 1 |
| Cinningham | 1 |
| Cipolari | 1 |
| Cipparone | 1 |
| Cipriani | 1 |
| Ciravola | 1 |
| Cirbley | 1 |
| Circle S | 1 |
| Circuit | 1 |
| Cirio | 1 |
| Cirkland | 1 |
| Cirslivitz | 1 |
| Cirtes | 1 |
| Cirtis | 9 |
| Cisco | 3 |
| Ciser | 1 |
| Cisler | 9 |
| Cisneros | 3 |
| Cissel | 1 |
| Cissna | 2 |
| Citrus | 1 |
| City | 1 |
| Ciucci | 3 |
| Ciupak | 1 |
| Civils | 3 |
| Cizek | 1 |
| Cizzar | 1 |
| Cjeney | 1 |
| Cjilds | 1 |
| Claberg | 1 |
| Clabuesch | 5 |
| Clack | 7 |
| Clacko | 1 |
| Cladding | 1 |
| Clady | 1 |
| Claeye | 1 |
| Claffin | 4 |
| Clafflin | 22 |
| Clafin | 1 |
| Claflen | 2 |
| Claflin | 236 |
| Clafline | 1 |
| Claflir | 1 |
| Clafllin | 1 |
| Claftin | 1 |
| Clagett | 1 |
| Claghorne | 1 |
| Clained | 1 |
| Clair | 9 |
| Claiss | 1 |
| Clan | 1 |
| Clanahan | 2 |
| Clancey | 1 |
| Clanche | 1 |
| Clancy | 10 |
| Clandening | 3 |
| Clandenning | 2 |
| Clank | 2 |
| Clans | 1 |
| Clansessans | 1 |
| Clap | 1 |
| Clape | 1 |
| Clapham | 7 |
| Claplin | 2 |
| Clapp | 32 |
| Clappell | 1 |
| Clappen | 1 |
| Clapper | 92 |
| Clappert | 1 |
| Clapperton | 2 |
| Claps | 1 |
| Clapsaddle | 3 |
| Clapton | 1 |
| Clardullo | 1 |
| Clardy | 2 |
| Clare | 2 |
| Claren | 1 |
| Clarenbach | 1 |
| Clarey | 3 |
| Clark | 1613 |
| Clark ? | 1 |
| Clark/Calkins ? | 1 |
| Clark-Belnap | 1 |
| Clarke | 199 |
| Clark-Horton | 1 |
| Clarkin | 1 |
| Clarks | 1 |
| Clarkson | 3 |
| Clark-Walker | 1 |
| Claros | 1 |
| Clary | 10 |
| Clary ? | 1 |
| Clascoff | 1 |
| Clase | 1 |
| Clash | 1 |
| Clasler | 1 |
| Clasner | 1 |
| Clason | 6 |
| Class | 9 |
| Classe | 1 |
| Classen | 6 |
| Classic | 9 |
| Classon | 1 |
| Clatan | 1 |
| Clatterbuck | 1 |
| Claucherty | 4 |
| Claucy | 1 |
| Claude | 1 |
| Claude E. | 1 |
| Claudill | 1 |
| Claudio | 1 |
| Claues | 1 |
| Claugherty | 1 |
| Claus | 39 |
| Clause | 5 |
| Clausen | 3 |
| Clausius | 4 |
| Clauson | 8 |
| Clauss | 2 |
| Claussen | 3 |
| Clauw | 1 |
| Clauwaert | 3 |
| Claver | 1 |
| Clavette | 4 |
| Clavey | 1 |
| Clawe | 1 |
| Clawson | 48 |
| Claxton | 3 |
| Clay | 224 |
| Clay? | 1 |
| Claybaugh | 1 |
| Clayman | 1 |
| Clayor | 1 |
| Claypool | 3 |
| Clays | 1 |
| Clayton | 53 |
| Claytton | 1 |
| Cleackham | 1 |
| Clean | 1 |
| Clear | 8 |
| Clears | 1 |
| Clearson | 1 |
| Clearwater | 4 |
| Cleary | 8 |
| Cleaveland | 14 |
| Cleaver | 2 |
| Cleaves | 2 |
| Cleere | 1 |
| Clees | 1 |
| Cleeves | 24 |
| Clegg | 30 |
| Cleghorn | 3 |
| Cleland | 2 |
| Clelend | 1 |
| Clem | 21 |
| Clememts | 1 |
| Clemence | 15 |
| Clemens | 75 |
| Clemens/Clemmens | 1 |
| Clemenshaw | 3 |
| Clement | 65 |
| Clementa | 1 |
| Clemente | 1 |
| Clementi | 1 |
| Clements | 142 |
| Clementson | 1 |
| Clementz | 4 |
| Clemetsen | 2 |
| Clemic | 3 |
| Clemie | 1 |
| Clemit | 2 |
| Clemmens/Clemens | 1 |
| Clemments | 2 |
| Clemmer | 3 |
| Clemmie | 1 |
| Clemmons | 7 |
| Clemon | 2 |
| Clemona | 1 |
| Clemons | 71 |
| Clemonts | 1 |
| Clendemings | 1 |
| Clendenin | 1 |
| Clendening | 3 |
| Clendenning | 8 |
| Clendining | 1 |
| Clener | 3 |
| Cler | 1 |
| Clere | 1 |
| Clerk | 2 |
| Clesse | 1 |
| Clester | 1 |
| Cleveland | 71 |
| Clevelend | 1 |
| Clevenger | 5 |
| Clevenger-Hull | 1 |
| Clever | 108 |
| Clever /Hilbish ? | 1 |
| Cleverdon | 3 |
| Clevers | 16 |
| Cleves | 2 |
| Clevinger | 1 |
| Clevland | 2 |
| Clew | 1 |
| Clewes | 1 |
| Clewley | 3 |
| Clews | 2 |
| Clfalin | 1 |
| Clice | 1 |
| Click | 6 |
| Clickner | 10 |
| Cliff | 5 |
| Cliffe | 2 |
| Clifford | 51 |
| Cliffton | 2 |
| Clifright | 1 |
| Clift | 9 |
| Clifton | 18 |
| Cliftton | 1 |
| Climenbaga | 1 |
| Climic | 4 |
| Climie | 3 |
| Climix | 1 |
| Clin_t? | 1 |
| Cline | 64 |
| Clinehammer | 1 |
| Clingenpeel | 13 |
| Clingenpel | 1 |
| Clingenpool | 1 |
| Clinger | 2 |
| Clingerman | 2 |
| Clingsmith | 1 |
| Clink | 5 |
| Clinkscales | 5 |
| Clinnock | 1 |
| Clinton | 31 |
| Clintwroth | 1 |
| Clipinger | 1 |
| Clipper | 6 |
| Clippert | 1 |
| Clipperton | 3 |
| Clippinger | 1 |
| Clisbee | 1 |
| Clisch | 1 |
| Clise | 7 |
| Clish | 1 |
| Clislee | 1 |
| Clista | 1 |
| Cliver | 1 |
| Clixby | 2 |
| Clloflin | 1 |
| Clments | 1 |
| Cloar | 14 |
| Clock | 9 |
| Clockling | 1 |
| Cloe | 1 |
| Cloese | 1 |
| Cloflin | 2 |
| Cloman | 2 |
| Clone | 28 |
| Cloone | 1 |
| Clopper | 1 |
| Clos | 3 |
| Close | 6 |
| Closs | 1 |
| Clossen | 1 |
| Closser | 1 |
| Closson | 27 |
| Clothier | 6 |
| Cloud | 3 |
| Clough | 119 |
| Cloughman | 1 |
| Cloughs | 1 |
| Clourville | 1 |
| Clouse | 53 |
| Clouss | 1 |
| Clouthier | 1 |
| Cloutier | 11 |
| Clover | 4 |
| Clow | 3 |
| Cloy | 4 |
| Cloyce | 2 |
| Clucci | 1 |
| Cluchey | 1 |
| Cluckey | 17 |
| Clucky | 1 |
| Clues | 2 |
| Cluff | 2 |
| Clugston | 1 |
| Clukey | 3 |
| Cluley | 1 |
| Clum | 21 |
| Clupp | 2 |
| Clutchey | 1 |
| Clute | 20 |
| Clutter | 6 |
| Clutz | 2 |
| Cluxton | 4 |
| Clyde | 12 |
| Clydermon | 1 |
| Clyea | 1 |
| Clyme | 1 |
| Clymer | 2 |
| Clynis | 1 |
| Cmpbell | 1 |
| Co win | 1 |
| Co__t ? | 1 |
| Coady | 2 |
| Coah | 1 |
| Coakes | 3 |
| Coal | 3 |
| Coan | 2 |
| Coanrd | 1 |
| Coash | 5 |
| Coast | 1 |
| Coaswell | 2 |
| Coat | 2 |
| Coates | 47 |
| Coats | 194 |
| Cobane | 1 |
| Cobarrubias | 1 |
| Cobb | 226 |
| Cobbage | 1 |
| Cobbe | 1 |
| Cobbeldick | 1 |
| Cobbs | 9 |
| Cobb's | 1 |
| Cobean | 1 |
| Cobeldick | 1 |
| Coberly | 1 |
| Cobert | 1 |
| Cobin | 2 |
| Coble | 18 |
| Coblentz | 3 |
| Cobley | 6 |
| Cobo | 1 |
| Coborn | 10 |
| Coburn | 33 |
| Coburt | 1 |
| Cocas | 1 |
| Cochinesky | 1 |
| Cochins | 1 |
| Cochosis | 1 |
| Cochran | 99 |
| Cochrane | 93 |
| Cochrin | 1 |
| Cochroft | 2 |
| Cochrun | 1 |
| Cock | 2 |
| Cockburn | 9 |
| Cocker | 2 |
| Cockerell | 1 |
| Cocklin | 2 |
| Cockman | 1 |
| Cockran | 3 |
| Cockrane | 1 |
| Cockrell | 4 |
| Cockroff | 3 |
| Cockroft | 36 |
| Cockrum | 1 |
| Cocksan | 1 |
| Cocran | 1 |
| Coddaire | 2 |
| Codding | 53 |
| Coddings | 3 |
| Coddington | 12 |
| Codds | 2 |
| Code | 1 |
| Coden | 1 |
| Coder | 12 |
| Coderre | 1 |
| Codey | 2 |
| Coding | 2 |
| Codingres | 1 |
| Codings | 1 |
| Codingses | 1 |
| Codling | 1 |
| Codman | 1 |
| Codney | 1 |
| Codright | 1 |
| Cody | 40 |
| Coe | 106 |
| Coel | 1 |
| Coellner | 1 |
| Coenen | 3 |
| Coens | 3 |
| Coerne | 2 |
| Coes | 1 |
| Coey | 2 |
| Coff | 1 |
| Coffee | 13 |
| Coffel | 2 |
| Coffell | 2 |
| Coffelt | 2 |
| Coffer | 1 |
| Coffery | 1 |
| Coffey | 55 |
| Coffin | 16 |
| Coffinbury | 1 |
| Coffing | 1 |
| Coffins | 1 |
| Coffman | 29 |
| Cofford | 1 |
| Coffrey | 2 |
| Coffy | 2 |
| Coflin | 1 |
| Cogburn | 1 |
| Coger | 10 |
| Coggan | 1 |
| Cogger | 1 |
| Coggin | 1 |
| Coggins | 2 |
| Coggon | 2 |
| Coggshal | 1 |
| Coggswell | 2 |
| Coghill | 6 |
| Coghlaer | 2 |
| Coghlaes | 1 |
| Coghlan | 2 |
| Cogrove | 1 |
| Cogsball | 1 |
| Cogsdale | 3 |
| Cogsdall | 1 |
| Cogsdell | 6 |
| Cogsdill | 40 |
| Cogsen | 1 |
| Cogshall | 3 |
| Cogsray | 2 |
| Cogswell | 334 |
| Cogswell-Ross | 1 |
| Cohart | 1 |
| Cohcon | 1 |
| Cohcran | 1 |
| Cohen | 9 |
| Cohill | 1 |
| Cohler | 1 |
| Cohn | 4 |
| Cohnlin | 1 |
| Cohom | 1 |
| Cohoon | 22 |
| Cohow | 1 |
| Cohu | 1 |
| Coil | 3 |
| Coin | 1 |
| Coito | 7 |
| Coiwles | 1 |
| Coke | 1 |
| Cokelet | 1 |
| Coker | 22 |
| coknougher | 1 |
| Cokonougher | 3 |
| Col | 1 |
| Cola | 2 |
| Colagross | 1 |
| Colahan | 2 |
| Colaizza | 1 |
| Colalr | 1 |
| Colando | 1 |
| Colaner | 1 |
| Colbath | 2 |
| Colbert | 5 |
| Colbin | 2 |
| Colborn | 10 |
| Colbough | 1 |
| Colbourn | 2 |
| Colbreath | 1 |
| Colbridge | 5 |
| Colbum | 1 |
| Colburn | 38 |
| Colby | 139 |
| Colclazer | 2 |
| Colcord | 2 |
| Coldbath | 1 |
| Coldren | 14 |
| Coldwell | 4 |
| Cole | 1020 |
| Cole /Skinner ? | 1 |
| Coleb | 2 |
| Colegrove | 11 |
| Coleman | 173 |
| Colemar | 1 |
| Colenses | 1 |
| Colerick | 2 |
| Coles | 19 |
| Coleson | 2 |
| Colestock | 99 |
| Coletim | 1 |
| Coletrin | 1 |
| Colewell | 1 |
| Coley | 1 |
| Colf | 10 |
| Colfax | 2 |
| Colgan | 24 |
| Colger | 1 |
| Colgrove | 26 |
| Colham | 1 |
| Colias | 1 |
| Colier | 5 |
| Colim | 1 |
| Colines | 1 |
| Colins | 6 |
| Colister | 2 |
| Colizi | 2 |
| Colizzi | 32 |
| Colizzi ??? | 1 |
| Coll | 6 |
| Coll/Call | 1 |
| Collam | 1 |
| Collamer | 2 |
| Collar | 35 |
| Collard | 7 |
| Collarini | 1 |
| Collazos-Azcul | 1 |
| Collbaugh | 1 |
| Colleen | 1 |
| Collen | 1 |
| Collendar | 1 |
| Collengeworth | 1 |
| Collens | 3 |
| Coller | 19 |
| Colles | 11 |
| Collet | 2 |
| Collett | 24 |
| Collette | 2 |
| Colley | 22 |
| Collick | 1 |
| Collicott | 1 |
| Collie | 1 |
| Collier | 190 |
| Collin | 10 |
| Colling | 4 |
| Collingham | 11 |
| Collings | 4 |
| Collingwood | 3 |
| Collins | 724 |
| Collins' | 1 |
| Collins ? | 1 |
| Collinse | 2 |
| Collins-McArthur | 1 |
| Collinsworth | 1 |
| Collisi | 2 |
| Collius | 1 |
| Collizzi | 1 |
| Colllier | 1 |
| Collmenter | 7 |
| Collon | 1 |
| Collum | 2 |
| Collver | 4 |
| Colly | 2 |
| Collyer | 3 |
| Colman | 7 |
| Colms | 1 |
| Colnins | 1 |
| Coloce | 1 |
| Coloin | 2 |
| Colombo | 2 |
| Colon | 10 |
| Colonel | 1 |
| Colosky | 6 |
| Colovus | 2 |
| Colp | 1 |
| Colprets | 1 |
| Colson | 24 |
| Colstock | 12 |
| Colt | 15 |
| Colter | 12 |
| Colthorp | 3 |
| Coltin | 1 |
| Coltomer | 1 |
| Colton | 42 |
| Colton ? | 1 |
| Coltor | 1 |
| Coltren | 2 |
| Coltrim | 5 |
| Coltrin | 30 |
| Coltron | 1 |
| Coltson | 21 |
| Coltsran ? | 1 |
| Colty | 1 |
| Colum | 2 |
| Columbia | 4 |
| Columbine | 1 |
| Colvard | 1 |
| Colver | 7 |
| Colville | 14 |
| Colvin | 19 |
| Colvon | 1 |
| Colwell | 12 |
| Colyer | 3 |
| Comai | 5 |
| Coman | 6 |
| Combre | 1 |
| Combs | 107 |
| Combstock | 2 |
| Comburn | 1 |
| Comden | 10 |
| Comee | 1 |
| Comeh | 1 |
| Comer | 23 |
| Comes | 3 |
| Comford | 1 |
| Cominetto | 1 |
| Comings | 1 |
| Cominsky | 1 |
| Comius | 1 |
| Comly | 1 |
| Command | 2 |
| Commeau | 1 |
| Commee | 1 |
| Commings | 3 |
| Commins | 4 |
| Comminsky | 1 |
| Commiskey | 1 |
| Common | 11 |
| Commons | 1 |
| Communal | 4 |
| Community | 1 |
| Comp | 5 |
| Company | 1 |
| Compbell | 1 |
| Compel | 1 |
| Compher | 2 |
| Compion | 1 |
| Compione | 1 |
| Compo | 5 |
| Comps | 6 |
| Compson | 2 |
| Compton | 110 |
| Comra | 1 |
| Comrad | 1 |
| Comrie | 3 |
| Comspocker | 1 |
| Comstock | 118 |
| Comway | 1 |
| Con kite | 1 |
| Conady | 1 |
| Conaghan | 2 |
| Conan | 3 |
| Conand | 1 |
| Conane | 3 |
| Conant | 169 |
| Conarad | 1 |
| Conard | 30 |
| Conarton | 34 |
| Conat | 1 |
| Conaty | 2 |
| Conaver | 1 |
| Conberverse | 3 |
| Conch | 1 |
| Conclin | 1 |
| Concrite | 2 |
| Conde | 2 |
| Conden | 3 |
| Condie | 1 |
| Condit | 3 |
| Condon | 12 |
| Condra | 1 |
| Condry | 1 |
| Cone | 61 |
| Coneley | 1 |
| Conell | 1 |
| Conelly | 1 |
| Conely | 3 |
| Conent | 3 |
| Coner | 1 |
| Conert | 1 |
| Cones | 2 |
| Conestock | 1 |
| Conet | 2 |
| Coney | 4 |
| Confer | 5 |
| Confield | 1 |
| Confine | 1 |
| Congdon | 17 |
| Conger | 8 |
| Conghman | 1 |
| Congleton | 2 |
| Conine | 4 |
| Conjell | 1 |
| Conkell | 4 |
| Conken | 2 |
| Conkey | 10 |
| Conkhite | 1 |
| Conkin | 2 |
| Conkite | 2 |
| Conkle | 5 |
| Conklin | 342 |
| Conkling | 11 |
| Conkright | 5 |
| Conkrite | 5 |
| Conlew | 2 |
| Conley | 250 |
| Conlin | 17 |
| Conlkin | 1 |
| Conlon | 3 |
| Conly | 15 |
| Conn | 52 |
| Connable | 1 |
| Connant | 1 |
| Connard | 3 |
| Connat | 1 |
| Connel | 1 |
| Connell | 22 |
| Connelly | 40 |
| Connely | 1 |
| Conner | 70 |
| Conners | 12 |
| Connerton | 2 |
| Connett | 7 |
| Connick | 5 |
| Connine | 1 |
| Connings | 1 |
| Connoley | 1 |
| Connolley | 1 |
| Connoly | 1 |
| Connon | 1 |
| Connor | 41 |
| Connors | 11 |
| Connradt | 1 |
| Connvis | 1 |
| Conoh | 1 |
| Conor | 1 |
| Conover | 11 |
| Conrad | 99 |
| Conrad-Aldrich | 1 |
| Conrad-Cross | 1 |
| Conradt | 3 |
| Conran | 3 |
| Conrath | 1 |
| Conrell | 1 |
| Conren | 1 |
| Conrow | 1 |
| Conroy | 7 |
| Consalus | 2 |
| Conseni | 1 |
| Conser | 3 |
| Conset | 1 |
| Considine | 2 |
| Constable | 13 |
| Constance | 1 |
| Constantine | 5 |
| Constantineau | 1 |
| Constock | 1 |
| Contant | 1 |
| Contea | 1 |
| Conti | 5 |
| Contler | 1 |
| Contrell | 2 |
| Contreras | 3 |
| Conuis | 2 |
| Conute | 1 |
| Convers | 1 |
| Converse | 113 |
| Convery | 2 |
| Convis | 25 |
| Conviss | 1 |
| Conway | 24 |
| Conwell | 7 |
| Conyers | 2 |
| Conyne | 2 |
| Cooble | 1 |
| Coody | 2 |
| Cooik | 1 |
| Cook | 1124 |
| Cook- | 1 |
| Cook /Carr ? | 1 |
| Cook ? | 1 |
| Cook/Turner ?? | 2 |
| Cookbin | 1 |
| Cookburn | 1 |
| Cook-Deacon | 1 |
| Cooke | 42 |
| Cooker | 3 |
| Cookingham | 3 |
| Cooks | 1 |
| Cooksey | 1 |
| Cookson | 3 |
| Cool | 35 |
| Coolay | 1 |
| Coolbaugh | 3 |
| Coolcroft | 1 |
| Coole | 2 |
| Cooler | 1 |
| Cooleton | 1 |
| Cooley | 306 |
| Cooley/Coolie | 1 |
| Cooley/Cooly | 1 |
| Cooley/Wilson ? | 1 |
| Coolidge | 18 |
| Coolie | 1 |
| Coolige | 1 |
| Cooling | 1 |
| Coollver | 1 |
| Coolman | 3 |
| Coolridge | 1 |
| Cooly | 9 |
| Coomb | 1 |
| Coombs | 15 |
| Coomer | 10 |
| Coomes | 11 |
| Coompton | 1 |
| Coon | 149 |
| Coone | 1 |
| Cooney | 2 |
| Coonley | 4 |
| Coonrad | 4 |
| Coonradt | 9 |
| Coonrod | 2 |
| Coons | 11 |
| Cooop | 1 |
| Coop | 1 |
| Coope | 1 |
| Cooper | 767 |
| Cooper / Summers ? | 1 |
| Cooper-McDonald | 1 |
| Coopes | 1 |
| Coopman | 17 |
| Coopoer | 1 |
| Coopper | 1 |
| Coopre | 1 |
| Coor | 1 |
| Coors | 11 |
| Cop | 1 |
| Copan | 1 |
| Cope | 12 |
| Copeland | 55 |
| Copelin | 2 |
| Copeman | 2 |
| Copen | 10 |
| Copenhauer | 1 |
| Copenhaven | 1 |
| Copenhaver | 50 |
| Copens | 1 |
| Copens'es | 1 |
| Copin | 1 |
| Coplan | 1 |
| Copland | 6 |
| Copley | 1 |
| Coplin | 94 |
| Coplinger | 7 |
| Copolillo | 1 |
| Copp | 31 |
| Coppens | 22 |
| Copper | 4 |
| Copperes | 1 |
| Coppermall | 2 |
| Coppernoll | 5 |
| Coppers | 1 |
| Coppersmith | 2 |
| Coppervaill | 1 |
| Coppes | 2 |
| Coppess | 87 |
| Coppins | 7 |
| Coppland | 1 |
| Copple | 1 |
| Coppock | 4 |
| Coppola | 1 |
| Coppon | 1 |
| Copps | 5 |
| Copwell | 2 |
| Copwell/Capwell | 2 |
| Coquigne | 2 |
| Cora | 1 |
| Corad | 1 |
| Coral | 2 |
| Corall | 1 |
| Corant | 2 |
| Corbeau | 2 |
| Corbeil | 9 |
| Corbell | 3 |
| Corben | 2 |
| Corbet | 2 |
| Corbett | 40 |
| Corbiel | 1 |
| Corbiezz | 1 |
| Corbil | 1 |
| Corbin | 163 |
| Corbit | 4 |
| Corbitt | 1 |
| Corburn | 1 |
| Corbusier | 1 |
| Corby | 3 |
| Corcoran | 3 |
| Cord | 5 |
| Corda | 1 |
| Cordahl | 3 |
| Cordaro | 1 |
| Corday | 1 |
| Cordee | 1 |
| Cordeiro-Numa | 1 |
| Cordell | 4 |
| Corden | 2 |
| Corder | 5 |
| Cordes | 8 |
| Cordielle | 1 |
| Cording | 1 |
| Cordle | 4 |
| Cordoba | 1 |
| Cordon | 2 |
| Cordray | 6 |
| Cords | 49 |
| Cordtz | 5 |
| Cordwell | 1 |
| Core | 4 |
| Corell | 6 |
| Coren | 1 |
| Coreson | 1 |
| Corey | 163 |
| Coreyell | 1 |
| Corey-Sweet | 1 |
| Corfixon | 1 |
| Corfixsen | 1 |
| Corgo | 2 |
| Coriell | 7 |
| Coriell? | 1 |
| Corin | 1 |
| Corion | 1 |
| Cork | 1 |
| Corkeft | 1 |
| Corken | 1 |
| Corker | 1 |
| Corkill | 2 |
| Corkin | 3 |
| Corkins | 2 |
| Corkum | 2 |
| Corkwell | 1 |
| Corl | 8 |
| Corlen | 2 |
| Corlett | 8 |
| Corlette | 1 |
| Corlew | 19 |
| Corley | 1 |
| Corlia | 1 |
| Corlice | 1 |
| Corlier | 1 |
| Corlin | 1 |
| Corlip | 1 |
| Corlis | 3 |
| Corliss | 23 |
| Corllette | 1 |
| Corloss | 1 |
| Corman | 5 |
| Corn | 12 |
| Cornal | 4 |
| Cornall | 1 |
| Cornation | 1 |
| Corneil | 5 |
| Cornelia | 1 |
| Cornelies | 1 |
| Cornelis | 1 |
| Cornelius | 26 |
| Corneliuson | 1 |
| Cornell | 204 |
| Cornelle | 1 |
| Cornellius | 1 |
| Corner | 9 |
| Cornett | 4 |
| Cornfoote | 1 |
| Corning | 7 |
| Cornish | 53 |
| Cornist | 2 |
| Cornstalk | 2 |
| Cornwall | 8 |
| Cornwallis | 1 |
| Cornwalls | 1 |
| Cornwell | 46 |
| Corohan | 1 |
| Cororan? | 1 |
| Corp | 16 |
| Corpenter | 1 |
| Corquor | 1 |
| Corr | 21 |
| Corragin | 1 |
| Corran | 1 |
| Corrao | 1 |
| Correa | 2 |
| Correia | 1 |
| Correll | 15 |
| Corrett | 2 |
| Corrette | 1 |
| Correvant | 2 |
| Correvont | 1 |
| Correy | 2 |
| Corriell | 2 |
| Corrigan | 6 |
| Corriveau | 1 |
| Corrock | 1 |
| Corry | 8 |
| Corsaut | 1 |
| Corse | 1 |
| Corsec | 1 |
| Corser | 12 |
| Corset | 6 |
| Corsett | 38 |
| Corsetta | 1 |
| Corsette | 21 |
| Corsettee | 1 |
| Corsi | 3 |
| Corsino | 1 |
| Corso | 2 |
| Corson | 8 |
| Corsor | 1 |
| Corsslan | 1 |
| Corston | 9 |
| Corswell | 1 |
| Cortell | 1 |
| Corter | 1 |
| Cortez | 7 |
| Cortier | 2 |
| Cortlander | 1 |
| Cortnage | 7 |
| Cortneight | 1 |
| Cortney | 1 |
| Corton | 1 |
| Cortright | 131 |
| Cortright/Courtwright | 1 |
| Cortrite | 1 |
| Corts | 5 |
| Corttenden | 1 |
| Cortwight | 1 |
| Cortwright | 22 |
| Corvell | 3 |
| Corvill | 1 |
| Corvin | 2 |
| Corwell | 3 |
| Corwin | 62 |
| Corwine | 1 |
| Cory | 29 |
| Coryell | 34 |
| Coryelle | 1 |
| Corywell | 4 |
| Corzier | 2 |
| Corzo | 1 |
| Cos | 1 |
| Cosad | 10 |
| Cosad/Casad? | 6 |
| Cosat | 3 |
| Cosath | 1 |
| Cosby | 4 |
| Coscarelli | 13 |
| Cosens | 6 |
| Cosey | 1 |
| Cosgary | 1 |
| Cosgray | 15 |
| Cosgrays | 1 |
| Cosgrey | 1 |
| Cosgrove | 67 |
| Cosgroves | 1 |
| Coshen | 1 |
| Cosier | 1 |
| Cosler | 1 |
| Cosley | 1 |
| Cosly | 1 |
| Cosman | 6 |
| Cosner | 1 |
| Cosper | 6 |
| Cospray | 1 |
| Coss | 3 |
| Cossack | 1 |
| Cossar | 10 |
| Cosset | 1 |
| Cossette | 2 |
| Cossey | 1 |
| Cosson | 3 |
| Cost | 1 |
| Costa | 1 |
| Costantino | 3 |
| Costanzo | 1 |
| Coste | 1 |
| Costellanas | 1 |
| Costello | 17 |
| Costello
Costello |
1 |
| Coster | 1 |
| Costeriasan | 1 |
| Costerisan | 6 |
| Costerison | 1 |
| Costigan | 3 |
| Costilla | 1 |
| Costine | 1 |
| Costley | 5 |
| Costlow | 4 |
| Coston | 3 |
| Coswell | 1 |
| Cota | 1 |
| Cotand | 1 |
| Cote | 15 |
| Cotes | 7 |
| Cothin ? | 1 |
| Cothran | 1 |
| Cothrell | 1 |
| Cotle | 1 |
| Coton | 1 |
| Cotrill | 1 |
| Cotsman | 4 |
| Cotta | 1 |
| Cotten | 2 |
| Cotter | 42 |
| Cotterin | 2 |
| Cottin | 1 |
| Cottingham | 2 |
| Cottington | 1 |
| Cottman | 1 |
| Cottom | 2 |
| Cotton | 140 |
| Cottone | 1 |
| Cottons | 1 |
| Cottrel | 1 |
| Cottreli | 1 |
| Cottrell | 42 |
| Cottrell/Prince ?? | 1 |
| Coty | 1 |
| Couch | 13 |
| Couchois | 2 |
| Couchon | 1 |
| Coudry | 2 |
| Couen | 1 |
| Coughlin | 4 |
| Coughue | 1 |
| Couhlin | 1 |
| Couhling | 1 |
| Couillard | 2 |
| Couke | 15 |
| Coulborn | 1 |
| Coulby | 1 |
| Couley | 3 |
| Coulman | 1 |
| Coulon | 3 |
| Coulsen | 1 |
| Coulson | 25 |
| Coultar | 1 |
| Coulter | 50 |
| Coulter-Seth | 1 |
| Coultier | 1 |
| Coulton | 2 |
| Coultrain | 1 |
| Coultren | 1 |
| Coultrin | 9 |
| Coun | 1 |
| Councilman | 5 |
| Counnett | 1 |
| Counsell | 1 |
| Counseller | 7 |
| Counsins | 2 |
| Count | 5 |
| Counterman | 18 |
| Countess (Musselle) | 1 |
| Countryman | 4 |
| Counts | 2 |
| Coup | 1 |
| Coupar | 6 |
| Couple | 1 |
| Couples | 4 |
| Courchaine | 1 |
| Courey | 1 |
| Courier | 7 |
| Couriers | 1 |
| Couris | 1 |
| Courles | 1 |
| Courrier | 1 |
| Courser | 15 |
| Coursey | 3 |
| Court | 10 |
| Court Selling | 1 |
| Courtade | 1 |
| Courtemarsh | 1 |
| Courter | 49 |
| Courter-Pray | 1 |
| Courtes | 2 |
| Courtfight | 1 |
| Courthright | 1 |
| Courtier | 11 |
| Courtimors | 1 |
| Courtis | 1 |
| Courtland | 14 |
| Courtnage | 2 |
| Courtnay | 16 |
| Courtney | 35 |
| Courtright | 113 |
| Courtrite | 1 |
| Courts | 3 |
| Courtwright | 15 |
| Courville | 1 |
| Cousens | 3 |
| Cousin | 1 |
| Cousineau | 8 |
| Cousino | 12 |
| Cousins | 24 |
| Cousten | 2 |
| Couster | 2 |
| Coustes | 2 |
| Coutcher | 2 |
| Couthen | 2 |
| Couto | 1 |
| Coutter | 1 |
| Coutts | 2 |
| Couture | 2 |
| Couturier | 6 |
| Couvreur | 1 |
| Couzens | 4 |
| Couzynse | 1 |
| Couzzins | 4 |
| Covall | 1 |
| Covalski | 1 |
| Covan | 1 |
| Covanough | 1 |
| Covant | 1 |
| Covault | 1 |
| Cove | 91 |
| Cove _ | 1 |
| Covel | 1 |
| Covell | 25 |
| Covello | 6 |
| Coven | 30 |
| Cover | 26 |
| Cover/Gover | 1 |
| Coverdale | 3 |
| Coverdill | 1 |
| Coverly | 2 |
| Covert | 73 |
| Covert Ford | 1 |
| Coverts | 2 |
| Covery | 1 |
| Coves | 1 |
| Covest | 1 |
| Covett | 1 |
| Covey | 163 |
| Coviak | 2 |
| Covil | 1 |
| Covill | 11 |
| Coville | 4 |
| Covington | 9 |
| Covley | 2 |
| Covlin | 1 |
| Covy | 1 |
| Cowan | 132 |
| Cowardin | 2 |
| Cowart | 1 |
| Cowbs | 1 |
| Cowden | 7 |
| Cowdery | 1 |
| Cowdrey | 2 |
| Cowdry | 11 |
| Cowell | 24 |
| Cowels | 1 |
| Cowen | 16 |
| Cowens | 1 |
| Cowgill | 8 |
| Cowham | 2 |
| Cowhan | 1 |
| Cowherd | 1 |
| Cowig | 1 |
| Cowin | 3 |
| Cowing | 9 |
| Cowl | 1 |
| Cowlbeck | 1 |
| Cowles | 76 |
| Cowlew | 1 |
| Cowley | 19 |
| Cowlin | 2 |
| Cowling | 16 |
| Cowls | 1 |
| Cowly | 3 |
| Cowman | 1 |
| Cowning | 1 |
| Cowsert | 1 |
| Cowun | 1 |
| Cox | 319 |
| Coxen | 1 |
| Coxon | 3 |
| Coy | 81 |
| Coye | 1 |
| Coyendall | 1 |
| Coyer | 3 |
| Coykendal | 1 |
| Coykendall | 20 |
| Coykindall | 1 |
| Coyle | 3 |
| Coyne | 3 |
| Coys | 1 |
| Coyswell | 3 |
| Cozadd | 1 |
| Cozard | 1 |
| Cozier | 9 |
| Cozier/Cazier | 4 |
| Cozier/Cazier/Casier | 1 |
| Cqvey | 1 |
| Crabb | 10 |
| Crabbe | 5 |
| Crabbs | 1 |
| Craben | 1 |
| Crabill | 3 |
| Crable | 13 |
| Crabow | 1 |
| Crabter | 1 |
| Crabtree | 42 |
| Crabtrue | 1 |
| Cracauer | 1 |
| Cracchiolo | 1 |
| Crace | 1 |
| Cracraft | 2 |
| Craddock | 8 |
| Craden | 1 |
| Cradet | 4 |
| Cradiman | 1 |
| Cradit | 1 |
| Cradle | 1 |
| Cradnal | 1 |
| Craff | 3 |
| Craford | 1 |
| Craft | 47 |
| Crafton | 15 |
| Crafts | 23 |
| Cragg | 2 |
| Cragun | 2 |
| Crahan | 1 |
| Craib | 1 |
| Craig | 86 |
| Craigie | 1 |
| Crain | 24 |
| Craine | 4 |
| Crairy | 1 |
| Crake | 5 |
| Crakes | 23 |
| Crall | 53 |
| Cram | 2 |
| Cramb | 1 |
| Crambell | 1 |
| Crame | 4 |
| Cramel | 1 |
| Cramer | 280 |
| Cramer/ Green ?? | 1 |
| Cramer/Boyer ? | 1 |
| Cramers | 9 |
| Cramer's | 1 |
| Crames | 1 |
| Cramey | 3 |
| Crammer | 3 |
| Cramor | 1 |
| Crampson | 1 |
| Crampton | 95 |
| Crampton/Winegar | 5 |
| Cramton | 6 |
| Cran | 1 |
| Crananer | 1 |
| Crance | 1 |
| Crandal | 1 |
| Crandall | 201 |
| Crandall/Crandle | 1 |
| Crandell | 98 |
| Crandell-Hundt | 1 |
| Crandelmeyer | 2 |
| Crandle | 4 |
| Crandles | 1 |
| Crane | 327 |
| Cranell | 1 |
| Craner | 2 |
| Cranes | 3 |
| Craney | 1 |
| Crang | 3 |
| Cranga | 1 |
| Cranier | 1 |
| Crank | 9 |
| Crankes | 1 |
| Crankshaw | 4 |
| Cranmer | 3 |
| Cranmer (Crammer?) | 2 |
| Cranmore | 1 |
| Cranmour | 1 |
| Crannall | 1 |
| Crannel | 3 |
| Crannell | 30 |
| Cranner | 1 |
| Cranney | 9 |
| Crannou (?) | 1 |
| Crano | 1 |
| Cranson | 92 |
| Cranston | 10 |
| Cransyon | 1 |
| Cranty | 1 |
| Cranwell | 2 |
| Craop | 2 |
| Crape | 2 |
| Crapo | 60 |
| Crapoff | 4 |
| Crapp | 4 |
| Craps | 1 |
| Crapsey | 5 |
| Crarey | 2 |
| Crary | 38 |
| Crase | 3 |
| Crasher | 1 |
| Crashurst | 1 |
| Crass | 1 |
| Crassan | 1 |
| Crater | 6 |
| Crathers | 1 |
| Cratsa | 1 |
| Crau | 1 |
| Craum | 1 |
| Craun | 73 |
| Cravan | 1 |
| Cravath | 4 |
| Craven | 27 |
| Cravens | 2 |
| Craver | 10 |
| Cravero | 1 |
| Cravn | 2 |
| Craw | 6 |
| Crawfield | 1 |
| Crawfis | 4 |
| Crawford | 343 |
| Crawl | 1 |
| Crawley | 29 |
| Crawn | 3 |
| Cray | 9 |
| Craymer | 2 |
| Crayon | 2 |
| Crays | 7 |
| Crazier | 5 |
| Creager | 2 |
| Creagh | 4 |
| Creakbaum | 2 |
| Creamer | 5 |
| Creaser | 10 |
| Creason | 2 |
| Creasy | 1 |
| Creavy | 1 |
| Crebassa | 1 |
| Crebo | 1 |
| Crebs | 4 |
| Credeman | 1 |
| Credit | 1 |
| Cree | 1 |
| Creecy | 1 |
| Creed | 4 |
| Creedan | 2 |
| Creedon | 3 |
| Creek | 2 |
| Creen | 2 |
| Creer | 2 |
| Creery | 2 |
| Creesy | 2 |
| Creevy | 4 |
| Cregar | 2 |
| Cregg | 4 |
| Cregna | 1 |
| Crego | 11 |
| Cregor | 1 |
| Creguer | 1 |
| Creig | 1 |
| Creighton | 22 |
| Creisher | 1 |
| Creit | 1 |
| Creitz | 45 |
| Creitz/Crietz | 1 |
| Crellar | 2 |
| Creller | 17 |
| Creloye | 1 |
| Cremeans | 2 |
| Cremer | 5 |
| Crendell | 3 |
| Crenhurst | 1 |
| Crenshaw | 5 |
| Creol | 1 |
| Creor | 1 |
| Creore | 40 |
| Creorne | 1 |
| Creps | 12 |
| Creque | 2 |
| Cresher | 1 |
| Cresk | 1 |
| Cress | 4 |
| Cresseau | 1 |
| Cressey | 4 |
| Cressman | 10 |
| Cressor | 6 |
| Cressotti | 1 |
| Cresswell | 6 |
| Cressy | 6 |
| Crestwaite | 1 |
| Creswell | 2 |
| Cresy | 1 |
| Cretcher | 4 |
| Crete | 1 |
| Crethers | 1 |
| Cretiz | 5 |
| Cretsinger | 2 |
| Crettz | 1 |
| Cretys | 2 |
| Cretz | 1 |
| Creuss | 1 |
| Crevy | 2 |
| Crews | 15 |
| Creyts | 63 |
| Cribb | 34 |
| Cribbes | 1 |
| Cribbley | 3 |
| Cribbs | 3 |
| Cribley | 51 |
| Crickmore | 1 |
| Criddeman | 1 |
| Crideman | 2 |
| Crider | 6 |
| Cridler | 14 |
| Cridley | 1 |
| Cridon | 1 |
| Crieg | 1 |
| Crier | 1 |
| Criest | 1 |
| Crietz | 8 |
| Crietz/Creitz | 1 |
| Criffield | 1 |
| Criger | 3 |
| Crigger | 3 |
| Crigier | 4 |
| Criley | 1 |
| Crillar | 1 |
| Crilley | 2 |
| Crilly | 22 |
| Crim | 14 |
| Crimans | 1 |
| Crimp | 1 |
| Criner | 6 |
| Cripe | 10 |
| Crippen | 17 |
| Crippin | 1 |
| Cripps | 5 |
| Crips | 1 |
| Crisenbery | 4 |
| Crisher | 66 |
| Crishes | 1 |
| Crisler | 1 |
| Crisman | 1 |
| Crismore | 3 |
| Crisp | 2 |
| Crispall | 1 |
| Crispin | 8 |
| Criss | 29 |
| Crissenberry | 1 |
| Crisses | 1 |
| Crissey | 2 |
| Crissley | 1 |
| Crissman | 6 |
| Crist | 63 |
| Cristie | 2 |
| Cristina | 1 |
| Cristman | 1 |
| Cristofersen | 1 |
| Cristoper | 1 |
| Cristopher | 1 |
| Crists | 1 |
| Cristy | 2 |
| Criswell | 1 |
| Critchet | 3 |
| Critchett | 12 |
| Critchlow | 4 |
| Critehett | 1 |
| Critenden | 1 |
| Crites | 44 |
| Critez | 1 |
| Critser | 1 |
| Crittenden | 124 |
| Crittendon | 5 |
| Crittinden | 2 |
| Critz | 1 |
| Crney | 1 |
| Croad | 4 |
| Croak | 2 |
| Croarh | 1 |
| Croasdale | 1 |
| Croasdell | 1 |
| Croat | 1 |
| Crocker | 80 |
| Crocket | 1 |
| Crockett | 11 |
| Crockford | 3 |
| Crockroft | 1 |
| Crockson | 1 |
| Crocy | 1 |
| Croe | 1 |
| Croel | 19 |
| Croels | 1 |
| Crof | 1 |
| Croff | 49 |
| Crofflan | 1 |
| Croffut | 1 |
| Crofoot | 13 |
| Croford | 1 |
| Croft | 6 |
| Croftchik | 1 |
| Crofts | 14 |
| Croger | 6 |
| Croist | 1 |
| Croke | 1 |
| Croker | 1 |
| Crokett | 1 |
| Croley | 4 |
| Crolius | 1 |
| Croll | 9 |
| Crollo | 1 |
| Crom | 1 |
| Croman | 2 |
| Cromar | 1 |
| Cromartie | 2 |
| Cromer | 7 |
| Cromer/Crower | 2 |
| Cromie | 5 |
| Cromin | 1 |
| Cromley | 1 |
| Crompton | 6 |
| Cromwell | 11 |
| Cron | 3 |
| Cronan | 13 |
| Cronch | 3 |
| Crone | 6 |
| Cronen | 1 |
| Croney | 1 |
| Cronheim | 10 |
| Cronhite | 3 |
| Cronhurst | 1 |
| Cronier | 1 |
| Cronin | 16 |
| Croning | 2 |
| Cronk | 197 |
| Cronkhite | 12 |
| Cronkite | 14 |
| Cronkright | 8 |
| Cronkrite | 8 |
| Cronks | 1 |
| Cronmiller | 1 |
| Cront | 3 |
| Crooch | 1 |
| Crood | 3 |
| Crook | 23 |
| Crooker | 1 |
| Crooks | 43 |
| Croom | 1 |
| Croop | 8 |
| Croop (Croup?) | 1 |
| Croope | 1 |
| Crop | 3 |
| Cropman | 1 |
| Cropp | 3 |
| Crops | 2 |
| Cropsey | 5 |
| Crorier | 1 |
| Cros | 1 |
| Crosalan | 1 |
| Crosbie | 1 |
| Crosby | 110 |
| Crose | 1 |
| Croshaw | 1 |
| Crosier | 49 |
| Crosin | 1 |
| Croskery | 2 |
| Croslan | 4 |
| Crosland | 4 |
| Crosley | 2 |
| Croslin | 1 |
| Crosman | 1 |
| Crosmitz | 1 |
| Crosnack | 1 |
| Crosper | 1 |
| Cross | 212 |
| Cross/Crass | 1 |
| Crossany | 2 |
| Crossby | 1 |
| Crosse | 1 |
| Crosser | 2 |
| Crosset | 1 |
| Crossett | 2 |
| Crossette | 1 |
| Crossian | 1 |
| Crosslan | 45 |
| Crossland | 6 |
| Crossley | 3 |
| Crosslin | 1 |
| Crossman | 25 |
| Crosson | 2 |
| Crosswait | 1 |
| Crosthwaite | 1 |
| Croston | 4 |
| Crosue (?) | 1 |
| Croswell | 11 |
| Crotfs | 2 |
| Crother | 4 |
| Crothers | 25 |
| Croti | 1 |
| Croton | 2 |
| Crotti | 3 |
| Crotts | 4 |
| Crotty | 1 |
| Crotwell | 1 |
| Crouch | 52 |
| Croucher | 2 |
| Crouel | 1 |
| Croul | 1 |
| Croun | 1 |
| Crounie | 1 |
| Croup | 18 |
| Crouse | 26 |
| Crousser | 2 |
| Crout | 31 |
| Croute | 1 |
| Crouter | 2 |
| Croutt | 1 |
| Crove | 1 |
| Crow | 13 |
| Crowan | 1 |
| Crowdus | 1 |
| Crowe | 45 |
| Crowel | 4 |
| Crowell | 67 |
| Crower/Cromer | 2 |
| Crowfoot | 12 |
| Crowford | 2 |
| Crowhurst | 8 |
| Crowl | 8 |
| Crowles | 2 |
| Crowley | 15 |
| Crown | 11 |
| Crowner | 20 |
| Crownor | 1 |
| Crownover | 1 |
| Crowson | 2 |
| Crowston | 1 |
| Crowther | 10 |
| Croxford | 1 |
| Croxton | 1 |
| Croy | 48 |
| Croy? | 1 |
| Croyle | 7 |
| Croze | 6 |
| Crozier | 88 |
| Croziers | 1 |
| Croziers' | 1 |
| Crraig | 1 |
| Cruce | 1 |
| Crue | 3 |
| Crugher | 1 |
| Cruickshank | 1 |
| Cruise | 1 |
| Crull | 2 |
| Crum | 13 |
| Crumb | 27 |
| Crumback | 2 |
| Crumbaugh | 2 |
| Crumbley | 1 |
| Crumbsy | 2 |
| Crumit | 1 |
| Crumley | 4 |
| Crummay | 1 |
| Crummey | 1 |
| Crump | 1 |
| Crumrine | 2 |
| Crums | 1 |
| Crunman | 1 |
| Crup | 1 |
| Crupp | 1 |
| Crus | 1 |
| Crusan | 1 |
| Crusen | 2 |
| Crush | 1 |
| Cruso | 1 |
| Cruson | 18 |
| Crutcher | 7 |
| Cruthers | 1 |
| Cruthis | 3 |
| Cruttenden | 22 |
| Crutz | 1 |
| Cruz | 14 |
| Cruz-Rodriguez | 1 |
| Crydeman | 4 |
| Cryder | 2 |
| Cryderman | 63 |
| Crydermann | 1 |
| Crydrman | 1 |
| Crysler | 2 |
| Crystal | 1 |
| Crystie | 1 |
| Crytes | 2 |
| Csaky | 2 |
| Csala | 1 |
| Csarlos | 1 |
| Csatlas | 1 |
| Csatlos | 7 |
| Csondor | 2 |
| Csonkio | 2 |
| Csorather | 1 |
| Csorga | 1 |
| Ctaflin | 1 |
| Ctaul | 1 |
| Cuahing | 1 |
| Cuatt | 22 |
| Cubbison | 1 |
| Cubbs | 1 |
| Cubit | 3 |
| Cuching | 2 |
| Cucksey | 1 |
| Cuckson | 4 |
| Cucson | 1 |
| Cuda | 1 |
| Cudbrook | 1 |
| Cuddahee | 11 |
| Cuddeback | 9 |
| Cuddleback | 2 |
| Cudney | 49 |
| Cue | 1 |
| Cuellar | 2 |
| Cuetice | 1 |
| Cufait | 1 |
| Cuff | 4 |
| Cuffman | 1 |
| Cuikendull | 1 |
| Cuinninghan | 2 |
| Cuisbert | 1 |
| Culberson | 7 |
| Culbert | 15 |
| Culberton | 1 |
| Culbertoon | 1 |
| Culbertsen | 1 |
| Culbertson | 27 |
| Culburtson | 3 |
| Culbut | 1 |
| Culehn | 1 |
| Culener | 1 |
| Culham | 8 |
| Culhane | 6 |
| Culkins | 11 |
| Cull | 8 |
| Cullen | 11 |
| Culler | 3 |
| Cullers | 4 |
| Culley | 7 |
| Cullimore | 7 |
| Cullin | 1 |
| Cullinene | 1 |
| Cullins | 2 |
| Cullison | 3 |
| Culliver | 1 |
| Cully | 3 |
| Culner | 2 |
| Culp | 79 |
| Culpepper | 5 |
| Culpin | 1 |
| Culter | 1 |
| Culton | 1 |
| Culver | 176 |
| Culvere | 1 |
| Culvert | 2 |
| Culvet | 1 |
| Culy | 6 |
| Cumberworth | 50 |
| Cumer | 1 |
| Cuming | 1 |
| Cumings | 36 |
| Cummerworth | 1 |
| Cummin | 2 |
| Cummine | 1 |
| Cumming | 9 |
| Cummingham | 3 |
| Cummings | 202 |
| Cummins | 52 |
| Cummins' | 1 |
| Cummiskey | 1 |
| Cummns | 1 |
| Cummungs | 1 |
| Cumpian | 1 |
| Cumpton | 3 |
| Cundiff | 3 |
| Cune | 1 |
| Cuneo | 1 |
| Cunik | 1 |
| Cuningham | 4 |
| Cunkelman | 1 |
| Cunmngnam | 1 |
| Cunn | 2 |
| Cunningham | 186 |
| Cunnington | 3 |
| Cunnins | 1 |
| Cuolahan | 1 |
| Cupery | 1 |
| Cupid | 1 |
| Cupit | 23 |
| Cupmen | 1 |
| Cupp | 90 |
| Cupples | 17 |
| Cupps | 2 |
| Curbey | 1 |
| Curch | 1 |
| Curcuru | 1 |
| Curd | 1 |
| Cure | 41 |
| Cure? | 1 |
| Curell | 2 |
| Cures | 1 |
| Curgood | 1 |
| Curis | 2 |
| Curkindall | 1 |
| Curl | 8 |
| Curley | 7 |
| Curlie | 1 |
| Curner | 1 |
| Curni | 1 |
| Curns | 4 |
| Curran | 20 |
| Currell | 1 |
| Curren | 1 |
| Current | 7 |
| Currey | 15 |
| Currie | 9 |
| Currier | 35 |
| Currier, Eyestone | 1 |
| Curries | 1 |
| Currin | 2 |
| Currmings | 1 |
| Curry | 122 |
| Curtain | 5 |
| Curtenius | 4 |
| Curtic | 1 |
| Curtice | 31 |
| Curtin | 6 |
| Curtis | 595 |
| Curtis ? | 3 |
| Curtis-Hall | 1 |
| Curtiss | 83 |
| Curtner | 1 |
| Curton | 1 |
| Curtus | 1 |
| Curvine | 1 |
| Cury | 1 |
| Cusac | 1 |
| Cusack | 10 |
| Cush | 1 |
| Cushen | 1 |
| Cusher | 1 |
| Cushing | 165 |
| Cushings | 1 |
| Cushinig | 1 |
| Cushion | 14 |
| Cushman | 76 |
| Cushney | 2 |
| Cushon | 2 |
| Cushway | 1 |
| Cusick | 5 |
| Cusner | 1 |
| Cuson | 5 |
| Cuspin | 2 |
| Cusson | 8 |
| Cussons | 1 |
| Custance | 2 |
| Custard | 2 |
| Custen | 1 |
| Custer | 67 |
| Custis | 2 |
| Custler | 1 |
| Custon | 1 |
| Cusumano | 1 |
| Cutchall | 3 |
| Cutchen | 1 |
| Cutcheon | 6 |
| Cutcher | 12 |
| Cuthbert | 8 |
| Cuthbertson | 3 |
| Cuthbertston | 1 |
| Cuthwaith | 1 |
| Cutis | 1 |
| Cutkin | 2 |
| Cutle | 1 |
| Cutler | 54 |
| Cutshaw | 3 |
| Cutsinger | 1 |
| Cutteil | 1 |
| Cuttell | 1 |
| Cutter | 21 |
| Cutting | 6 |
| Cuttle | 8 |
| Cutton | 1 |
| Cuykendall | 27 |
| Cuykendoll | 1 |
| Cuyle | 1 |
| Cuyler | 9 |
| Cuyter | 1 |
| Cuz | 1 |
| Cuzner | 1 |
| Cuzzins | 1 |
| Cvitkovic | 7 |
| Cwicig | 1 |
| Cwiek | 4 |
| Cwik | 2 |
| Cyberski | 1 |
| Cybulski | 1 |
| Cyeil | 1 |
| Cygan | 4 |
| Cygner | 2 |
| Cypert | 1 |
| Cypher | 18 |
| Cyphert | 4 |
| Cyppret | 1 |
| Cypret | 1 |
| Cyr | 7 |
| Cyrderman | 1 |
| Czachorski | 1 |
| Czachorwski | 2 |
| Czachowrski | 1 |
| Czaika | 9 |
| Czarieski | 1 |
| Czariski | 1 |
| Czarnecki | 2 |
| Czarnomski | 3 |
| Czech | 1 |
| Czecha | 1 |
| Czechowski | 1 |
| Czekaj | 1 |
| Czelada | 8 |
| Czerneski | 1 |
| Czernikivicz | 1 |
| Czerwien | 1 |
| Czerwoem | 1 |
| Czich | 2 |
| Czinder | 1 |
| Czohara | 1 |
| Czopek | 1 |
| Czorny | 3 |
| Czrenahoski | 1 |
| Czubak | 1 |
| Czuchna | 1 |
| Czysz | 1 |
| Czyzewski | 1 |