| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Conor | Connor | Old Irish | English, Irish | maybe dog lover | #462 |
| Conrad | Conrad/Konrada | Old High German | German, English | Words: bold / counsel, advice, advisor | #534 |
| Constance | Konstantin/Konstanze | Latin | French, English | the steadfast | |
| Constantine | Konstantin/Konstanze | Latin | English | the steadfast | |
| Consuela | Consuelo | Spanish | German, English | consolation | |
| Cooper | Cooper | Old English | English | cooper, barrel maker | #67 |
| Cora | Cora | Old Greek | French, English | maiden, virgin | |
| Coraima | Coraima | Unknown | English | | |
| Coral | Coral | English | English | Words: coral | |
| Coralee | Coral | English | English | Words: coral | |
| Coralie | Coral | English | English, French | Words: coral | |
| Coraline | Coral | English | French, English | Words: coral | #720 |
| Corban | Corvin | Latin | English | Words: raven | |
| Corbin | Corvin | Latin | English | Words: raven | #366 |
| Cordelia | Cordula | Latin | German, English | | |
| Cordell | Cordell | Old English | English | maker of cord, seller of cord | |
| Cordula | Cordula | Latin | German, English | | |
| Corey | Corey/Corey | Latin | English | Words: raven / ravine | #553 |
| Corey | Corey/Corey | Latin | English | Words: raven / ravine | |
| Cori | Corey/Corey | Latin | English | Words: raven / ravine | |
| Corina | Corinna | Old Greek | German, French, English | maiden, virgin | |
| Corinna | Corinna | Old Greek | German, French, English | maiden, virgin | |
| Corliss | Corliss | Old English | English | free from anxiety | |
| Cornela | Cornelius/Cornelia | Latin | English | Words: horn | |
| Cornell | Cornelius/Cornelia | Latin | English | Words: horn | |
| Corrina | Corinna | Old Greek | English | maiden, virgin | |
| Corrine | Corinna | Old Greek | English | maiden, virgin | |
| Cortez | Curtis | Old French | Spanish, English | courtly, courteous | |
| Cortney | Courtney/Courtney | Old French | English | Words: short / nose | |
| Cortney | Courtney/Courtney | Old French | English | Words: short / nose | |
| Corvin | Corvin | Latin | English | Words: raven | |
| Cory | Corey/Corey | Latin | English | Words: raven / ravine | #984 |
| Cosmo | Cosmo/Cosima | Old Greek | German, Italian, English | | |
| Coty | Coty | Old French | English | coast, river bank | |
| Courtney | Courtney/Courtney | Old French | English | Words: short / nose | |
| Coy | Coy | Unknown | English | | |
| Craig | Craig | Old Irish | English, Scottish | Words: rock | |
| Creed | Creed | Latin | English | creed, belief | #678 |
| Cressida | Cressida | Old High German | English | | |
| Crew | Carew | Welsh | English | Words: castle, fortress | #266 |
| Crispin | Crispin/Crispina | Latin | German, English | curly haired | |
| Cristal | Crystal | English | English | crystal | |
| Cristobal | Christoph | Old Greek | English | carrying Christ | |
| Cristofer | Christoph | Old Greek | English | carrying Christ | |
| Cristopher | Christoph | Old Greek | English | carrying Christ | |
| Crosby | Crosby | Old Norse | English | settlement by the cross | #930 |
| Crue | Carew | Welsh | English | Words: castle, fortress | |
| Cruz | Cruz | Spanish | Spanish, English | cross | #297 |
| Crysta | Christian/Christine | Latin | English | Christian, disciple of Christ | |
| Crystal | Crystal | English | English | crystal | #960 |
| Cullen | Cullen | Unknown | English | | #742 |
| Cunegund | Kunigunde | Old High German | English | Words: tribe, clan / fight | |
| Cunegundes | Kunigunde | Old High German | English | Words: tribe, clan / fight | |
| Curt | Curtis | Old French | English | courtly, courteous | |
| Curt | Curt | Old High German | German, English | Words: bold / counsel, advice, advisor | |
| Curtis | Curtis | Old French | German, English | courtly, courteous | #778 |
| Curtiz | Curtis | Old French | English | courtly, courteous | |
| Cydney | Sidney/Sidney | Old French | English | | |
| Cyneburga | Cyneburga | Old English | English | royal fortress | |
| Cynthia | Cynthia | Old Greek | German, English | woman from the mountain Kynthos on Delos island | #806 |
| Cyprian | Cyprian/Cipriana | Latin | German, English | from Cypres | |
| Cyra | Cyrus/Kyra | Old Persian | English | Words: lord | |
| Cyril | Cyrill/Cyrielle | Old Greek | German, English | Words: lord | |
| Cyrus | Cyrus/Kyra | Old Persian | English | Words: lord | #350 |
| Dagobert | Dagobert | Old High German | German, English | Words: bright | |
| Dahlia | Dahlia | German | German, English | dahlia | #309 |
| Daija | Deja | French | English | already | |
| Daijah | Deja | French | English | already | |
| Daisha | Daisha | Unknown | English | | |
| Daisy | Daisy | Old English | German, English | daisy | #134 |
| Daithà | Daithà | Unknown | English, Irish | | |
| Daja | Deja | French | English | already | |
| Dakari | Dakari | Ndau | English, Ndau | happy | #772 |
| Dakoda | Dakota/Dakota | Dakota | English | friend | |
| Dakota | Dakota/Dakota | Dakota | English | friend | #270 |
| Dakota | Dakota/Dakota | Dakota | English | friend | #344 |
| Dakotah | Dakota/Dakota | Dakota | English | friend | |
| Dalary | Dalary | Unknown | English | | |
| Dale | Dale | English | English | Words: dale, valley / dale, valley | |
| Daleyza | Daleyza | Unknown | English | | #411 |
| Dalia | Dahlia | German | German, English | dahlia | #917 |
| Daliah | Daliah | Hebrew | German, English | | |
| Daline | Adela | Old High German | English | Words: noble, honorable | |
| Daliyah | Daliah | Hebrew | English | | |
| 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 |
| Dalvin | Dalvin | Unknown | English | | |
| Damarcus | Demarco | Unknown | English | | |
| Damari | Damarion | Unknown | English | | #841 |
| Damarion | Damarion | Unknown | English | | |
| Damaris | Damaris | Old Greek | German, English | maybe calf | |
| Damian | Damian/Damiana | Old Greek | German, English, Polish | Words: tame, subdue | #113 |
| Damion | Damian/Damiana | Old Greek | English | Words: tame, subdue | |
| Damita | Damita | Spanish | English | little lady, little dame | |
| Damon | Damian/Damiana | Old Greek | English | Words: tame, subdue | #424 |
| Damond | Damond | Unknown | English | | |
| Dan | Daniel/Daniela | Hebrew | English | God is my judge | |
| Dana | Dane | Old English | English | the Dane | |
