| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| FINNÉN | - | Irish | ||
| FINNAGÁN | - | Irish | ||
| FINNBAR | - | Irish | ||
| FINNBARR | - | Irish | ||
| FINNEGAN | FIN-ə-gən | Irish, English (Modern) | ||
| FINNGUALA | - | Irish, Irish Mythology | ||
| FINNIAN | - | Irish | ||
| FINNR | - | Ancient Scandinavian | ||
| FINNUALA | - | Irish, Irish Mythology | ||
| FINNUR | - | Icelandic | ||
| FINOLA | - | Irish, Scottish | ||
| FINTAN | FIN-tan (Irish) | Irish, Irish Mythology | ||
| FION | - | Irish | ||
| Fiona | [fi'əunə] | |||
| FIONA | fee-O-nə | Scottish, English |