| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Comgan | - | Irish | ||
| ComhghÁN | - | Irish | ||
| Comhghall | - | Irish | ||
| Conall | - | Irish, Scottish, Irish Mythology | ||
| Conan | - | Irish | ||
| Concepta | - | Irish | ||
| ConchÚR | - | Irish, Irish Mythology | ||
| Conchobhar | - | Irish, Irish Mythology | ||
| Conlaoch | - | Irish Mythology | ||
| Conleth | - | Irish | ||
| Conley | - | Irish | ||
| Conn | - | Irish | ||
| Connla | - | Irish Mythology | ||
| Connor | KAHN-ər (English) | Irish, English (Modern) | ||
| Conor | KAHN-ər (English) | Irish, English, Irish Mythology |