| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cain | [kein] | |||
| CAIN | KAYN (English) | Biblical, Biblical Latin | ||
| CAINAN | KAY-nən (English), kay-IE-nən (English) | Biblical, Biblical Latin | ||
| CAINNEACH | - | Irish | ||
| CAIO | - | Portuguese (Brazilian) | ||
| CAIRBRE | KAHR-bra | Irish, Scottish | ||
| CAIRO | KIE-ro | English (Rare) | ||
| CAISIDE | - | Ancient Irish | ||
| CAIUS | - | Ancient Roman | ||
| CAJ | - | Swedish, Norwegian, Danish | ||
| CAJETAN | - | History | ||
| CAL | KAL | English | ||
| CALBHACH | - | Irish | ||
| Caldwell | [kɔ:ldwəl] | |||
| CALE | KAYL | English |