| Celtic | Man | English Names |
| Cenedra | Woman | English Names |
| Cent | Unisex | English Names |
| Chad | Man | English Names |
| Chadwick | Man | English Names |
| Chainey | Unisex | English Names |
| Challis | Unisex | English Names |
| Chambers | Unisex | English Names |
| Champion | Unisex | English Names |
| Chance | Man | English Names |
| Chancellor | Man | English Names |
| Chandler | Unisex | English Names |
| Change | Unisex | English Names |
| Channer | Unisex | English Names |
| Channing | Unisex | English Names |
| Channon | Unisex | English Names |
| Chantry | Unisex | English Names |
| Chapman | Unisex | English Names |
| Charity | Woman | English Names |
| Charleen | Woman | English Names |