| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Finnian | - | Irish | ||
| Finnr | - | Ancient Scandinavian | ||
| Finnuala | - | Irish, Irish Mythology | ||
| Finola | - | Irish, Scottish | ||
| Fintan | FIN-tan (Irish) | Irish, Irish Mythology | ||
| Fion | - | Irish | ||
| Fiona | fee-O-nə | Scottish, English | ||
| Fionn | FIN, FYOON | Irish, Irish Mythology | ||
| FionnÁN | - | Irish | ||
| Fionnbarra | - | Irish | ||
| Fionnbharr | FIN-var | Irish | ||
| Fionnghall | - | Scottish | ||
| Fionnghuala | - | Irish, Scottish, Irish Mythology | ||
| Fionnlagh | - | Irish, Scottish | ||
| Fionntan | - | Irish, Scottish |