| Carshena | - | Biblical Name | Carson | - | Scottish Name |
| Carsten | - | Greek Name | Carston | - | English Name |
| Carsyn | - | American Name | Carter | - | English Name |
| Cartier | - | Australian Name | Cartimandua | - | Anglo Name |
| Carver | - | English Name | Cary | - | Welsh Name |
| Caryn | - | American Name | Carys | - | Welsh Name |
| Casandra | - | Greek Name | Case | - | English Name |
| Casen | - | Scandinavian Name | Casey | - | English Name |
| Cash | - | English Name | Cashel | - | Irish Name |
| Cashlin | - | Irish Name | Cashlyn | - | American Name |
| Cashton | - | English Name | Casie | - | American Name |
| Casimira | - | Slavic Name | Casiphia | - | Biblical Name |
| Casluhim | - | Biblical Name | Cason | - | Scottish Name |
| Caspar | - | Persian Name | Casper | - | Persian Name |
| Caspian | - | English Name | Cassadee | - | Irish Name |
| Cassady | - | Irish Name | Cassandra | - | English Name |
| Cassara | - | American Name | Cassi | - | American Name |
| Cassia | - | Muslim Name | Cassiana | - | Latin Name |
| Cassianna | - | Latin Name | Cassidee | - | Irish Name |
| Cassidi | - | Irish Name | Cassidie | - | Irish Name |
| Cassidy | - | Irish Name |
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