Starting with letter C
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 421 | Casswallawn | Welsh | Legendary son of Beli. | M | |
| 422 | Castel | English | Variant of Castle: Castle. | M | |
| 423 | Caster | English | From the Roman camp. | M | |
| 424 | Castimer | Polish | Variant of Casimir: Bringer of peace; announcing peace. | M | |
| 425 | Castle | English | Castle. | M | |
| 426 | Castor | Greek | Beaver. Brother of Helen. | M | |
| 427 | Castor | Latin | Brother of Helen. | M | |
| 428 | Caswallan | Celtic | From Arthurian legend. | M | |
| 429 | Caswallon | Welsh | Legendary son of Beli. | M | |
| 430 | Cat | Scottish | Catlike. | M | |
| 431 | Cater | English | One who caters. | M | |
| 432 | Catesby | Shakespearean | Henry VI, Part 2' Sir John Stanley. 'King Henry the Sixth, Part III' Sir William Stanley. As You Like It' A country fellow, in love with Audrey. 'The Merry Wives of Windsor' A boy, son to Page. 'King Richard III' Sir William Catesby. | M | |
| 433 | Cath | ArthurianLegend | Name of a monster. | M | |
| 434 | Cathair | Celtic | Fighter. | M | |
| 435 | Cathair | Scottish | From the broken mossy ground. | M | |
| 436 | Cathal | Celtic | Strong in battle. | M | |
| 437 | Cathal | Irish | Battle strong. | M | |
| 438 | Cathall | Irish | Ready for war. | M | |
| 439 | Cathaoir | Celtic | Fighter. | M | |
| 440 | Cathaoir | Irish | Variant of Cahir: Warrior. | M | |