| Name | Meaning | Gender | Origin |
|---|
| Collins | Abbreviation Of Nicholas People`S Victory. | Female | French |
| Columbia | a dove | Female | Latin |
| Columbus | Capital of Ohio, USA. | Male | English |
| Comet | A celestial body | Female | Nature |
| Conner | desire, wise aid, wolf-lover | Unisex | |
| Connor | lover of hounds | Male | Irish |
| Conrad | brave counsel | Male | |
| Constance | steadfastness | Female | English |
| Coolidge | | Unisex | Hebrew |
| Cooper | Barrel maker | Male | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Female | Word |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Female | Word |
| Corbin | from the movie The Fifth Element | Male | Latin |
| Cow | | Unisex | Hebrew |
| Coyle | Leader In Battle. | Unisex | Irish |
| Cracker | | Unisex | Hebrew |
| Crawford | ford where crows gather | Male | English |
| Crescent | one who creates | Female | |
| Cross | Cross | Male | English |
| Crow | | Male | Hebrew |
| Curry | Marsh, Herb | Male | Celtic |
| Custer | | Unisex | Hebrew |
| Cypress | Cypress Tree | Female | Latin |
| Dagmar | joyous day, bright, joy of the Danes | Female | Norse |
| Dakota | Friend: ally. Tribal name.
| Female | Place-name |