| N A M E | O R I G I N | M E A N I N G |
| Carny | Irish | Variant of Carney: Champion; victorious. |
| Carolan | Gaelic | Variant of Carlin: Small champion. |
| Caroll | English | Variant of Carroll: Man. Famous Bearer: late television actor Carroll O'Connor. |
| Carollan | Gaelic | Variant of Carlin: Small champion. |
| Carolo | Spanish | Variant of Carlos: Man (Spanish variant of Charles). |
| Carolos | Greek | Strong, Manly |
| Carolus | English | Variant of Carroll: Man. Famous Bearer: late television actor Carroll O'Connor. |
| Carr | Norwegian | from the marsh |
| Carraig | Gaelic | Rocky headland. |
| Carrick | Gaelic | dweller on the rocky cape |
| Carrol | Celtic | Champion. |
| Carroll | Celtic | Champion. |
| Carrson | Scandinavian | Son of Carr. |
| Carson | Swedish | Son of Carr |
| Carsten | Latin | Christian. |
| Carston | Latin | Christian. |
| Carswell | English | Lives at the watercress spring. |
| Carsyn | American | Son of Carr |
| Cartagh | Irish | Variant of Carthach: Loving. A variant of Caradoc. The Irish St. Carthach, also known as St Carthage, founded an early 7th century monastery at Lismore, County Waterford. |
| Carter | Old English | cart driver |
| Cartere | English | Drives a cart. |
| Carthach | Irish | Loving. A variant of Caradoc. The Irish St. Carthach, also known as St Carthage, founded an early 7th century monastery at Lismore, County Waterford. |
| Carthage | English | The anglicized form of the Irish Carthach, which is a variant of Caradoc. The Irish St. Carthach, also known as St Carthage, founded an early 7th century monastery at Lismore, County Waterford. |
| Cartland | English | From the land between the streams. |
| Cartwright | English | Builder of carts. |
| Carvel | English | From the villa by the march. |
| Carvell | English | From the villa by the march. |
| Carver | Old English | sculptor, wood carver |
| Carwyn | Welsh | Means 'blessed love' from Welsh caru 'love' and gwyn 'white, fair, blessed'. |
| Cary | Celtic | honest one, shy |