| Caerda | Possibly derived from the Welsh 'caer,' meaning 'fortress' or 'stronghold.' |
| Caerdin | Derived from the Welsh 'caer,' meaning 'fortress' or 'stronghold.' |
| Caetti | Possibly derived from the Gaelic 'cait,' meaning 'brilliant' or 'shining.' |
| Cafa | Derived from the Gaelic 'cafa,' meaning 'battle' or 'war.' |
| Cafna | Possibly derived from the Gaelic 'cafn,' meaning 'battle' or 'war.' |
| Cafnoth | Derived from the Gaelic 'cafn,' meaning 'battle' or 'war.' |
| Calemund | Possibly derived from the Latin 'calendae,' meaning 'first day' of the month. |
| Caliburn | Derived from the Latin 'caliburnus,' meaning 'sword' or 'blade.' |
| Calunoth | Possibly derived from the Latin 'calumna,' meaning 'false accusation.' |
| Calwa | Derived from the Gaelic 'cal,' meaning 'beauty' or 'loveliness.' |
| Camdon | Enclosed Valley |
| Cameleac | Possibly derived from the Latin 'camelus,' meaning 'camel.' |
| Camlach | Derived from the Gaelic 'cam,' meaning 'crooked' or 'twisted.' |
| Camulorix | Possibly derived from the Latin 'camulus,' meaning 'beauty' or 'loveliness.' |
| Canains | Derived from the Gaelic 'can,' meaning 'fair' or 'beautiful.' |
| Cantiori | Possibly derived from the Latin 'cantio,' meaning 'song' or 'music.' |
| Cantiorix | Derived from the Latin 'cantio,' meaning 'song' or 'music.' |
| Cantwine | Derived from Celtic, meaning 'white' or 'fair' and 'wine' or 'friend' |
| Carados | Latin, meaning 'dear' or 'beloved' and 'son' |
| Caranacus | Latin, meaning 'dear' or 'beloved' and 'noble' |
| Carantacvs | Latin, meaning 'dear' or 'beloved' and 'warrior' |
| Caratacus | A name meaning beloved one. |
| Caratauc | Latin, meaning 'dear' or 'beloved' and 'warrior' |
| Carbani | Latin, meaning 'dear' or 'beloved' and 'ruler' |
| Carda | Latin, meaning 'dear' or 'beloved' and 'daughter' |
| Carell | A name meaning a free person. |
| Carileph | Latin, meaning 'dear' or 'beloved' and 'lion' |
| Carlou | French, meaning 'free man' or 'noble' |
| Carlys | From the Castle Tower |
| Carlysle | Scottish, meaning 'from the strong fortress' |
| Carrados | Latin, meaning 'dear' or 'beloved' and 'son' |
| Cart | A name meaning a sturdy wagon. |
| Casso | Latin, meaning 'hollow' or 'cave' |
| Castin | French, meaning 'castle' or 'fortress' |
| Catacvs | Latin, meaning 'dear' or 'beloved' and 'warrior' |
| Catamanus | Latin, meaning 'dear' or 'beloved' and 'man' |
| Catavignus | Latin, meaning 'dear' or 'beloved' and 'victory' |
| Catell | Latin, meaning 'dear' or 'beloved' and 'warrior' |
| Catgen | Latin, meaning 'dear' or 'beloved' and 'born' |
| Catgual | Latin, meaning 'dear' or 'beloved' and 'valley' |