| Name | Meaning | Details |
|---|---|---|
| Claire | Illustrious | View Details |
| Clapton | From The Hill Town | View Details |
| Clara | Illustrious | View Details |
| Clare | Illustrious | View Details |
| Clarice | Illustrious | View Details |
| Clarimonde | Illustrious Protector | View Details |
| Clarissa | Illustrious | View Details |
| Cleatus | Illustrious | View Details |
| Cleveland | From The Hilly Land | View Details |
| Clinton | Town On A Hill | View Details |
| Cornell | From Cornhill | View Details |
| Cress | From The Top Of The Hill | View Details |
| Crystal | Earth Mineral Or Brilliant Glass | View Details |
| Cuthbert | Brilliant | View Details |
| Cyd | A Public Hill | View Details |