| Firstname | Gender | Origin | Meaning of name | Form | Pronunciation |
|---|---|---|---|---|---|
| Cadence |  | English | Rhythm | Itself | (KAY dens) |
| Cadi | | Greek | Pure | (KAY dee) | |
| Caeley | | Gaelic | Descendant of Caollaidhe | Kayley | (KAY lee) |
| Cailyn | | Gaelic | Descendant of Caollaidhe | (KAY lin) | |
| Caitlín | | Gaelic | Pure | Kathleen | (KOIT leen) |
| Caitleen | | Greek | Pure | (KOIT leen) | |
| Caitlyn | | Gaelic | Pure | (kayt lin) | |
| Caitlynn | | Gaelic | Pure | Caitlín | (kayt lin) |
| Caitrín | | Greek | Pure | Caitríona | (kah TREEN) |
| Caitríona | | Greek | Pure | Catherine | (kah tree on ah) |
| Firstname | Gender | Origin | Meaning | Form | Pronunciation |
|---|---|---|---|---|---|
| Caja | | Greek | Pure | (kah JAH) | |
| Cala | | Arabic | Castle; stronghold | Itself | (KAH lah) |
| Calah | | Greek | Beautiful | Calla | (kal LAH) |
| Calandra | | Greek | Beautiful youth; handsome | Itself | (kah LAHN dra) |
| Calandria | | Greek | Beautiful youth; handsome | Calandra | (kah LAN dree AH) |
| Calanthe | | Greek | Beautiful flower | Itself | (ka LAN thee) |
| Calanthia | | Greek | Beautiful flower | Calanthe | (kah LAN thee AH) |
| Calathea | | Latin | Basket | Itself | (kah lah THEE ah) |
| Caldonia | | Latin | N/A | Caledonia | (kahl DOH nee ah) |
| Caledonia | | Latin | N/A | Itself | (kal eh DOH nee ah) |