| Name | Meaning | Gender | Origin |
|---|
| Colby | Coalworker | Male | English |
| Coleman | Dove | Male | Gaelic |
| Conrad | Experienced advisor | Male | Germanic |
| Constantine | Steadfast | Male | Latin |
| Cookie | A small flat, crisp cake | Unisex | English |
| Cooper | Barrel maker | Male | English |
| Copernicus | | Unisex | Hebrew |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Corky | Variant Of Corey Hill Hollow. | Unisex | English |
| Cosette | Victorious | Female | French |
| Crispin | Curly-headed | Male | Latin |
| Crosby | Dweller at the farm near the cross | Male | Norse |
| Dakota | The allies | Female | Native American |
| Dalton | Town in the valley | Male | English |
| Damian | To tame | Male | Greek |
| Dane | Honorable | Male | English |
| Darren | Burnt land | Male | Welsh |
| Dashiell | From Chiel | Male | French |
| Davis | Beloved | Male | Hebrew |
| Dean | Valley | Male | English |
| Declan | Full of goodness | Male | Gaelic |
| Denver | Dane crossing | Male | English |
| Devon | Men of Devon | Female | English |
| Didier | Longing | Male | Latin |
| Digby | Dyke farm, dyke settlement | Male | English |
| Dino | From The Dene | Male | Italian |
| Dominic | Lord | Male | Latin |
| Duane | Dark, black | Male | Gaelic |
| Duffy | Son of Dubhthach or DubhshÃth | Unisex | Gaelic |
| Duke | Duke | Male | English |