| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Finnbar | - | Irish | ||
| Finnbarr | - | Irish | ||
| Finnegan | FIN-ə-gən | Irish, English (Modern) | ||
| Finnguala | - | Irish, Irish Mythology | ||
| Finnian | - | Irish | ||
| Finnuala | - | Irish, Irish Mythology | ||
| Finola | - | Irish, Scottish | ||
| Fintan | FIN-tan (Irish) | Irish, Irish Mythology | ||
| Fion | - | Irish | ||
| Fionn | FIN, FYOON | Irish, Irish Mythology | ||
| FionnÁN | - | Irish | ||
| Fionnbarra | - | Irish | ||
| Fionnbharr | FIN-var | Irish | ||
| Fionnghuala | - | Irish, Scottish, Irish Mythology | ||
| Fionnlagh | - | Irish, Scottish |