| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Bryant | Bryant | Old Irish | English, Irish | | #794 |
| Brynlee | Brinley | Old English | English | burnt clearing | #187 |
| Byron | Byron | Old English | English | at the cow sheds | #751 |
| Caden | Caden/Kayden | Old Irish | English | son of Cadán | #230 |
| Caiden | Caden/Kayden | Old Irish | English | son of Cadán | #419 |
| Cailyn | Kayley | Old Irish | English | descendant of Caollaidhe | |
| Cal | Calvin | Old French | English | the little bald one | #876 |
| Caleigh | Kayley | Old Irish | English | descendant of Caollaidhe | |
| Cali | Kayley | Old Irish | English | descendant of Caollaidhe | #337 |
| Callahan | Callahan | Old Irish | English | son of Ceallachan | #659 |
| Callan | Callan | Old Irish | English, Scottish | son of Cathalan | #375 |
| Calleigh | Kayley | Old Irish | English | descendant of Caollaidhe | |
| Callen | Callan | Old Irish | English | son of Cathalan | #458 |
| Calvin | Calvin | Old French | German, English | the little bald one | #145 |
| Calvino | Calvin | Old French | Italian | the little bald one | |
| Camden | Camden | Old English | English | Words: valley | #175 |
| Camdyn | Camden | Old English | English | Words: valley | |
| Cameron | Cameron/Cameron | Old Irish | English, Scottish | crooked nose | #62 |
| Cameron | Cameron/Cameron | Old Irish | English, Scottish | crooked nose | #468 |
| Campbell | Campbell/Campbell | Scottish | Scottish | crooked mouth | |
| Campbell | Campbell/Campbell | Scottish | English | crooked mouth | |
| Camren | Cameron/Cameron | Old Irish | English | crooked nose | |
| Camron | Cameron/Cameron | Old Irish | English | crooked nose | |
| Camryn | Cameron/Cameron | Old Irish | English | crooked nose | |
| Camryn | Cameron/Cameron | Old Irish | English | crooked nose | #383 |
| Cannon | Canon | Old French | English | canon, priest | #503 |
| Canon | Canon | Old French | English | canon, priest | |
| Carew | Carew | Welsh | English | Words: castle, fortress | |
| Carey | Carey | Old Irish | English, Irish | descendant of Ciardha | |
| Carlton | Carlton | Old English | English | peasant settlement, settlement of freemen | |
| Carsen | Carson/Carson | Old Norse | English | maybe son of Carr | |
| Carson | Carson/Carson | Old Norse | English, Irish, Scottish | maybe son of Carr | #98 |
| Carson | Carson/Carson | Old Norse | English, Irish, Scottish | maybe son of Carr | |
| Carter | Carter | Old English | English | cart driver | #39 |
| Carter | Carter | Old English | English | cart driver | #500 |
| Cartier | Carter | Old English | English | cart driver | |
| Cary | Carey | Old Irish | English | descendant of Ciardha | |
| Casey | Casey/Casey | Old Irish | English | descendant of Cathasaigh | #446 |
| Casey | Casey/Casey | Old Irish | English | descendant of Cathasaigh | |
| Cash | Cash | Old French | English | Words: case | #253 |
| Cassidy | Cassidy | Old Irish | English | descendant of Caiside | #476 |
| Cayden | Caden/Kayden | Old Irish | English | son of Cadán | #289 |
| Cayla | Kayley | Old Irish | English | descendant of Caollaidhe | |
| Caylee | Kayley | Old Irish | English | descendant of Caollaidhe | |
| Chace | Chase/Chase | Old French | English | hunter | |
| Chadwick | Chadwick | Old English | English | Chad's dairy farm | |
| Chandler | Chandler/Chandler | Old French | English | candle maker, candle seller | #604 |
| Chandler | Chandler/Chandler | Old French | English | candle maker, candle seller | #888 |
| Chanel | Chanel | Old French | English | canal, channel | #833 |
| Channing | Channing | Unknown | English | | |
| Chantal | Chantal | French | French | | |
| Chantale | Chantal | French | French | | |
| Chante | Chantal | French | English | | |
| Chantel | Chantal | French | English | | |
| Chantelle | Chantal | French | English | | |
| Charlton | Carlton | Old English | English | peasant settlement, settlement of freemen | |
| Chase | Chase/Chase | Old French | English | hunter | |
| Chase | Chase/Chase | Old French | English | hunter | #125 |
| Chauncey | Chauncey | Old French | English | | |
| Chester | Chester | Old English | English | Words: fort | |
| Clay | Clayton | Old English | English | clay settlement | #614 |
| Clayton | Clayton | Old English | English | clay settlement | #278 |
| Cliff | Clifford | Old English | English | Words: cliff / ford | |
| Clifford | Clifford | Old English | English | Words: cliff / ford | |
| Clifton | Clifton | Old English | English | town by a cliff | |
| Clint | Clinton | Old English | English | Words: town, settlement, homestead | |
| Clinton | Clinton | Old English | English | Words: town, settlement, homestead | |
| Codey | Cody | Old Irish | English | Words: son | |
| Codi | Cody | Old Irish | English | Words: son | |
| Codie | Cody | Old Irish | English | Words: son | |
| Cody | Cody | Old Irish | English, Irish | Words: son | #312 |
| Cohen | Cohen | Hebrew | English | priest | #287 |
| Colby | Colby | Old English | English | coal town | #650 |
| Cole | Cole | Old English | English | the black | #132 |
| Coleson | Colson | English | English | son of Cole | #969 |
| Coleton | Colton | Old English | English | coal town | |
| Colson | Colson | English | | son of Cole | #322 |
| Colt | Colton | Old English | English | coal town | #220 |
| Colten | Colton | Old English | English | coal town | #851 |
| Colter | Colter | English | English | herder of horses | #627 |
| Colton | Colton | Old English | English | coal town | #74 |
| Cooper | Cooper | Old English | English | cooper, barrel maker | #67 |
| Cordell | Cordell | Old English | English | maker of cord, seller of cord | |
| Corliss | Corliss | Old English | English | free from anxiety | |
| Cortney | Courtney/Courtney | Old French | English | Words: short / nose | |
| Cortney | Courtney/Courtney | Old French | English | Words: short / nose | |
| Coty | Coty | Old French | English | coast, river bank | |
| Courtney | Courtney/Courtney | Old French | English | Words: short / nose | |
| Courtney | Courtney/Courtney | Old French | German | Words: short / nose | |
| Craig | Craig | Old Irish | English, Scottish | Words: rock | |
| Crew | Carew | Welsh | English | Words: castle, fortress | #266 |
| Crosby | Crosby | Old Norse | English | settlement by the cross | #930 |
| Crue | Carew | Welsh | English | Words: castle, fortress | |
| Cullen | Cullen | Unknown | English | | #742 |
| Cydney | Sidney/Sidney | Old French | English | | |
| Dale | Dale | English | English | Words: dale, valley / dale, valley | |
| Dallas | Dallas/Dallas | Scottish | English | maybe resting place | #634 |
| Dallas | Dallas/Dallas | Scottish | English | maybe resting place | #270 |
| Dallin | Dale | English | English | Words: dale, valley / dale, valley | |
| Dalton | Dalton | Old English | English | town in the valley | #518 |
