| Coilean | Irish | Derived from the Gaelic coiledn (wh.. |  |  |
| Coinneach | Irish | Derived from the Gaelic cainneach (.. |  | |
| Coireall | Irish | Old name of uncertain derivation an.. | | |
| Cole | Irish | Popular Anglicized form of Comhghal.. |  | |
| Colette | Irish | A borrowing from the French, Colett.. | | |
| Colin | Irish | A popular borrowing from the Englis.. |  | |
| Colleen | Irish | Meaning "girl" or "unmarried woman... | | |
| Colm | Irish | Irish form of the Late Latin Columb.. | | |
| Colman | Irish | Diminutive form of Colm (dove): hen.. | | |
| Columba | Irish | A borrowing from the Latin, derived.. | | |
| Comhghall | Irish | Derived from the Old Irish Comgell .. | | |
| Comhghan | Irish | Derived from the Old Irish Comgan (.. | | |
| Conaire | Irish | Ancient name of uncertain derivatio.. | | |
| Conall | Irish | Old name believed to be derived fro.. | | |
| Conan | Irish | Of debated derivation and meaning, .. | | |
| Conchobarre | Irish | Feminine form of Conchobhar, an a.. | | |
| Conchobhar | Irish | Old compound name derived from conn.. | | |
| Conlan | Irish | Meaning "hero." Most often seen in .. | | |
| Conley | Irish | Anglicized form of Connlaogh (chast.. | | |
| Conn | Irish | Derived from the Old Irish Cond, wh.. | | |
| Connery | Irish | Anglicized form of Conaire, an anci.. | | |
| Connlaodh | Irish | Compound name composed of the Gaeli.. | | |
| Conor | Irish | Anglicized form of Conchobhar, a na.. | | |
| Conroy | Irish | Meaning "wise man." | | |
| Conway | Irish | Transferred use of the surname deri.. | | |
| Cordelia | Irish | Of uncertain origin, Cordelia is th.. | | |
| Corey | Irish | Of various derivations, Corey is th.. | | |
| Cormac | Irish | Meaning "raven's son." Cormac was a.. | | |
| Corrie | Irish | Meaning "the hollow." Among the not.. | | |
| Cowan | Irish | Anglicized form of Comhghan (twin)... | | |
| Craig | Irish | Meaning "crag; steep rock." Chef Cr.. | | |
| Criostoir | Irish | Gaelic form of Christopher (bearing.. | | |
| Cristen | Irish | Meaning "Christian." | | |
| Cristiona | Irish | Gaelic form of Christina (a Christi.. | | |
| Cuinn | Irish | Derived from the surname MacCuinn (.. | | |
