gaelic names.meanings and their origins
| N A M E | O R I G I N | M E A N I N G | M / F |
| Catriona | Celtic/Gaelic | Pure | Girl |
| Cavan | Gaelic | handsome | Boy |
| Cayden | Gaelic | spirit of battle | Boy |
| Cayleigh | Gaelic | party | Girl |
| Ceallach | Celtic/Gaelic | Little Kelly - strife | Boy |
| Ceana | Celtic/Gaelic | God is Gracious | Girl |
| Cece | Celtic/Gaelic | Blind | Girl |
| Cecelia | Celtic/Gaelic | Blind | Girl |
| Cecily | Celtic/Gaelic | Blind | Girl |
| Chaela | Celtic/Gaelic | Who is Like God? | Girl |
| Chaeli | Celtic/Gaelic | Who is Like God? | Girl |
| Cian | Celtic/Gaelic | Ancient | Boy |
| Ciara | Celtic/Gaelic | Black and Mysterious | Girl |
| Cillian | Celtic/Gaelic | War | Boy |
| Colleen | Celtic, Gaelic | girl | Girl |
| Collice | Celtic/Gaelic | Form of COLLEEN | Girl |
| Colm | Celtic/Gaelic | Dove | Boy |
| Colum | Celtic/Gaelic | Dove | Boy |
| Conan | Celtic/Gaelic | Wise | Boy |
| Conlan | Celtic/Gaelic | Hero | Boy |
| Conley | Celtic/Gaelic | Hero | Boy |
| Connley | Celtic/Gaelic | Hero | Boy |
| Connor | Celtic/Gaelic | Much wanted | Boy |
| Conor | Celtic/Gaelic | Much wanted | Boy |
| Conroy | Celtic/Gaelic | Wise Man | Boy |
| Corcoran | Gaelic | of reddish complexion | Boy |
| Cormac | Celtic/Gaelic | Charioteer | Boy |
| Cornell | Celtic/Gaelic | From the name CORNELIUS | Boy |
| Crevan | Celtic/Gaelic | Fox | Boy |
| Curran | Gaelic | hero | Boy |
