| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Chaucer | Latin | Chancellor. | M | |
| 322 | Chaucor | Latin | Chancellor. | M | |
| 323 | Chauncey | Latin | Chancellor. | M | |
| 324 | Chauncory | Latin | Chancellor. | M | |
| 325 | Chester | Latin | Camp. | M | |
| 326 | Christian | Latin | From Christianus meaning Christian. Famous bearer: Christian was the hero of John Bunyan's 'The Pilgrim's Progress'. | M | |
| 327 | Christiann | Latin | Christian. | M | |
| 328 | Christopher | Latin | With Christ inside. | M | |
| 329 | Chryses | Latin | Priest of Apollo. | M | |
| 330 | Cicero | Latin | Chickpea. | M | |
| 331 | Ciceron | Latin | Chickpea. | M | |
| 332 | Cladian | Latin | Lame. | M | |
| 333 | Clare | Latin | Illustrious. | M | |
| 334 | Clarence | Latin | Bright; shining; gentle. | M | |
| 335 | Clarensis | Latin | Illustrious. | M | |
| 336 | Claud | Latin | Has a limp; lame. | M | |
| 337 | Claude | Latin | Has a limp; lame. | M | |
| 338 | Claudio | Latin | Has a limp; lame. | M | |
| 339 | Claudion | Latin | Lame. | M | |
| 340 | Claudius | Latin | From the Roman clan name Claudius, derived from the Latin meaning lame. Famous bearer: Roman emperor Claudius 1, who conquered Britian in 43 AD. | M | |