Starting with letter C
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 441 | Cathaoirmore | Gaelic | Great warrior. | M | |
| 442 | Cathasach | Gaelic | Brave. | M | |
| 443 | Cathmor | Gaelic | Great warrior. | M | |
| 444 | Cathmor | Irish | Great fighter. | M | |
| 445 | Cathmore | Gaelic | Great warrior. | M | |
| 446 | Cathmore | Irish | Great fighter. | M | |
| 447 | Cato | Latin | Intelligent; shrewd. | M | |
| 448 | Cato | Shakespearean | 'The Tragedy of Julius Caesar' Supportor of Brutus. | M | |
| 449 | Caton | Latin | Variant of Cato: Intelligent; shrewd. | M | |
| 450 | Catterick | ArthurianLegend | Name of a battle. | M | |
| 451 | Catterik | ArthurianLegend | Name of a battle. | M | |
| 452 | Catullus | Latin | Name of a poet. | M | |
| 453 | Catus | Latin | Shrewd. | M | |
| 454 | Caulan | Irish | Variant of Caelan: Powerful warrior. | M | |
| 455 | Cauley | Norse | Relic. | M | |
| 456 | Cauley | Scottish | Relic. | M | |
| 457 | Cavalon | ArthurianLegend | Name of a king. | M | |
| 458 | Cavan | Gaelic | Handsome. | M | |
| 459 | Cavan | Irish | Good-looking; handsome; from Cavan. | M | |
| 460 | Cavell | Teutonic | Bold. | M | |