| Cagney | An Irish name meaning houndlike. |
| Caha | Desirable; Charming |
| Cahal | Strong in battle |
| Cahil | A Gaelic name meaning battle. |
| Cahir | A name meaning warrior of war. |
| Cahira | A name meaning brave warrior. |
| CAI | A name meaning to rejoice. |
| Caia | A name meaning to rejoice. |
| Caidance | Rhymic beat. Alternate Spelling: Cadence. |
| Caidya | Intelligent; Administrator |
| Caieta | A name meaning one who rejoices. |
| Caila | Slender. Variant of Caley or Cailley: |
| Cailan | A name meaning slender child. |
| Cailean | Virile: Contemporary variant of Cailean Child. |
| Caileen | A name meaning pure and slim. |
| Caileigh | Variation of Caitlin, derived from the Gaelic name Caitlinn, meaning 'pure' or 'chaste'. |
| Cailen | A name meaning slender youth. |
| Cailey | "Lark, musical one." |
| Cailie | A name meaning slender beauty. |
| Cailin | A Gaelic word meaning girl. |
| Cailleach | A divine hag or old woman. |
| Caillen | A powerful, strong warrior. |
| Cailley | Slender. Variant of Caley or Cailley: |
| Caillic | A variant of the wise hag. |
| Cailsey | Cailsey is a variant of Casey, derived from the Gaelic name Cathasaigh, meaning 'bringer of victory'. |
| Cailym | Pillar of the church. |
| Cailyn | A pure and beautiful maiden. |
| Caimheul | A name meaning gentle soul. |
| Caimile | a family is born |
| Cain | Meaning Possessed. In the Bible Cain was the first murderer having killed his brother Abel in a fit of jealousy. |
| Cainan | Possessor, purchaser. |
| Caindale | From the clear river valley |
| Caine | Place name unrelated to the Biblical Cain. |
| Cainell | A name meaning battle hero. |
| Caio | Variant of Cai: Joy. |
| Caiphas | He that seeks with diligence; one that vomiteth |
| Caira | Caira is a feminine given name of Irish origin, meaning 'slender' or 'fair'. |
| Cairbre | A name meaning charioteer. |
| CAIRISTIONA | A follower of the Christ. |
| Cairo | A name meaning the conqueror. |