| Gender | Baby Name | Meaning |
|---|---|---|
 | Eoghan | Land of the Yew Tree |
| Eoin | God is gracious |
 | Fallon | Royalty |
| Farrel | Hero, man of courage |
| Faylinn | A graceful woman |
| Feoras | Rock |
| Fergal | Valorous |
| Ferris | Rock |
| Fiachra | Raven |
| Findlay | Fair warrior |
| Fineen | Fair beautiful child |
| Finn | Fair |
| Finna | Fair |
| Finnegan | Fair, White |
| Finnian | White, fair |
| Finola | Fair Shouldered |
| Fionan | Fair |
| Fionn | Fair-haired |
| Fionnuala | Fair shouldered |
| Fionnula | Fair shoulder |
| Fitzgerald | Son of Gerald |
| Flann | Red |
| Flannerry | Descendant of the red warrior |
| Flannery | Descendant of the red warrior |
| Gallagher | Eager helper |
| Galvin | Sparrow |
| Gannon | Fair skinned |
| Garrett | Brave warrior |
| Gilmore | Servant of Mary |
| Gilroy | Servant of the redhead |
