Starting with letter C
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1261 | Coman | Irish | Bent. | M | |
| 1262 | Comdhan | Irish | Variant of Comhghan: Twin. | M | |
| 1263 | Comhghall | Irish | Hostage. | M | |
| 1264 | Comhghan | Gaelic | Twin. | M | |
| 1265 | Comhghan | Irish | Twin. | M | |
| 1266 | Cominius | Shakespearean | 'The Tragedy of Coriolanus.' Titus Lartius, a general against the Volscians. | M | |
| 1267 | Comyn | Irish | Shrewd. | M | |
| 1268 | Comyn | Scottish | From Comines. | M | |
| 1269 | Con | Celtic | Wise. | M | |
| 1270 | Con | Irish | Diminutive of Conlan: Hero. | M | |
| 1271 | Conaire | Gaelic | Wise. | M | |
| 1272 | Conaire | Irish | Wise or red. | M | |
| 1273 | Conal | Celtic | High; mighty. | M | |
| 1274 | Conal | Irish | High and mighty. | M | |
| 1275 | Conall | Celtic | Strong in battle High; mighty. | M | |
| 1276 | Conall | Irish | High and mighty. | M | |
| 1277 | Conall Cernach | Celtic | Mythical Ulster chieftain. | M | |
| 1278 | Conan | Celtic | High, wise. Introduced into Britain after the Norman Conquest. Famous bearers: Sir Arthur Conan Doyle, creator of the detective Sherlock Holmes; a number of counts and dukes of Brittany bore the name Conan. | M | |
| 1279 | Conan | Irish | Hound; elevated. Famous bearer: Talk show host Conan O'Brien. | M | |
| 1280 | Conant | Celtic | Wise. | M | |