| N A M E | O R I G I N | M E A N I N G |
| Coeus | Greek | Father of Leto. |
| Cofahealh | English | Lives at the cave slope. |
| Coghlan | Irish | Hooded. |
| Coigleach | Gaelic | Distaff. |
| Coilean | Irish | Puppy. |
| Coilin | Gaelic | Virile. |
| Coillcumhann | Gaelic | From the narrow forest. |
| Coilleach | Gaelic | Guards the forest. |
| Coinleain | Gaelic | Shaped as a well. |
| Coinneach | Celtic | Handsome. |
| Coire | Gaelic | Ravine. |
| Coireall | Greek | Lordly. |
| Coiseam | Scottish | Steady; stable. |
| Colan | English | Variant of Colin: Of a triumphant people; young boy. |
| Colbert | English | Seaman. |
| Colbey | French | Dark; dark-haired. |
| Colby | Old English | coal town |
| Cole | Old English, Greek | coal, victory of the people |
| Coleman | English | charcoal burner, dove, peace |
| Colemann | English | Dark skinned. |
| Coletun | English | From the dark town. |
| Coley | English | Variant of Nicholas 'people's victory.'. |
| Colfre | English | Dove. |
| Colhoun | Irish | Variant of Calhoun: Small forest. |
| Colhozeh | Biblical | Every prophet. |
| Colier | English | Charcoal merchant. |
| Colin | Celtic, Greek | youth, child, victor |
| Colis | English | Son of the dark man. |
| Coll | Gaelic | Child. |
| Colla | Irish | An ancient Irish name whos meaning is lost in antiquety. |