| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 921 | Carolus | English | Variant of Carroll: Man. Famous Bearer: late television actor Carroll O'Connor. | M | |
| 922 | Carr | English | Swamp; bog. | M | |
| 923 | Carrington | English | Place name and surname. | M | |
| 924 | Carrol | English | Variant of Carroll: Man. Famous Bearer: late television actor Carroll O'Connor. | M | |
| 925 | Carroll | English | Man. Famous Bearer: late television actor Carroll O'Connor. | M | |
| 926 | Carson | English | Son who lives in the swamp; son of Carr. | M | |
| 927 | Carswell | English | Lives at the watercress spring. | M | |
| 928 | Carter | English | Cart driver, cart maker. A surname sometimes used as a first name. | M | |
| 929 | Cartere | English | Drives a cart. | M | |
| 930 | 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. | M | |
| 931 | Cartland | English | From the land between the streams. | M | |
| 932 | Cartwright | English | Builder of carts. | M | |
| 933 | Carvel | English | From the villa by the march. | M | |
| 934 | Carvell | English | From the villa by the march. | M | |
| 935 | Carver | English | Carves wood or sculpts. | M | |
| 936 | Cary | English | Stream. Cary became a popular masculine first name in mid-2Oth century because of actor Cary Grant, whose real name was Archibald Leach. | M | |
| 937 | Caryl | English | Variant of Carroll: Man. Famous Bearer: late television actor Carroll O'Connor. | M | |
| 938 | Case | English | Bringer of peace. | M | |
| 939 | Casey | English | From a polish word meaning 'Proclamation of peace.' A diminutive of Casirnir, Cassandra, or Catherine. Popularized as a boy's name by the American folk song 'Casey Jones'. | M | |
| 940 | Cash | English | Diminutive of Caspar: Wealthy man. | M | |