| Name | Gender | Meaning | Favorites |
| Cael | Boy | Victorious people | |
| Caelan | Girl | Victorious people | |
| Cahil | Boy | Young | |
| Cai | Girl | Rejoice, Wealth | |
| Cairbre | Boy | Strong man | |
| Cais | Girl | Rejoicer | |
| Caitir | Girl | Pure | |
| Caitlin | Girl | The Celtic form of Catherine | |
| Caitlyn | Girl | Pure | |
| Cala | Girl | Castle | |
| Calais | Girl | City in france | |
| Calantha | Girl | Like a lovely blossom | |
| Caldwell | Boy | Cold spring | |
| Cale | Boy | Form of caleb | |
| Caleb | Boy | Bold | |
| Calhoun | Boy | Warrior | |
| Calida | Girl | Most Beautiful | |
| Calinda | Girl | Calandra with Linda | |
| Calista | Girl | Beautiful | |
| Calisto | Boy | Most Beautiful | |