| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Fionan | Little fair one; diminutive of Fionn ('fair, white, fair‑haired') | Irish | Boy | — | |
| Fionnbar | Fair-headed | Irish | Boy | — | |
| Fionnbarr | Fair-headed (from fionn 'fair' + barr 'head/top') | Irish | Boy | — | |
| Fionnbharr | Fair-headed, fair-haired | Irish | Boy | — | |
| Fionnghuala | Fair-shouldered (literally 'white/fair shoulder') | Irish, Irish (Gaelic) | Girl | — | |
| Fionnlaoch | Fair hero (fair-haired warrior) | Irish, Scottish Gaelic | Boy | — | |
| Fionolaigh | From Irish fionn 'fair' + guala 'shoulder' - 'fair-shouldered' | Irish | Girl | — | |
| Fitzgeraldo | 'son of Gerald' (Gerald = 'ruler with the spear') | Irish | Boy | — | |
| Fitzpatric | Son/descendant of (a follower or devotee of) Patrick | Irish | Boy | — | |
| Fitzpatrik | Son of Patrick | Irish | Boy | — | |
| Flaithbertach | Bright ruler | Irish | Boy | — | |
| Flan | Red, ruddy | Irish | Boy | — | |
| Flanan | Little red(-haired) one | Irish | Boy | — | |
| Flanen | Little red or red-haired one (from Gaelic root flann 'red') | Irish | Boy | — | |
| Flanin | Little red / little red‑haired one | Irish | Boy | — | |
| Flann | Red, ruddy | Irish | Boy | — | |
| Flannen | Derived from Flann, meaning 'red' or 'ruddy' (diminutive sense 'little red' or 'red-haired') | Gaelic, Irish | Boy | — | |
| Flannerry | Descendant of someone nicknamed Flann; associated with 'red-haired' or 'ruddy' | Irish | Unisex | — | |
| Flannin | Derived from Irish flann 'red, ruddy'; diminutive sense 'little red one' or 'little ruddy-haired one' | Irish | Boy | — | |
| Flannon | From Irish flann 'red, ruddy' - 'red(-haired)' or 'descendant of Flann' | Irish | Boy | — | |
| Flannyn | Derived from Old Irish flann, meaning 'red' or 'ruddy' (often 'red-haired' or 'little red one'). | Gaelic, Irish | Unisex | — | |
| Flavin | Either from Gaelic meaning 'little prince' / 'young ruler', or from Latin 'flavus' meaning 'golden, blond'. | Irish, Latin | Boy | — | |
| Flin | Descendant of a red-haired or ruddy person; 'red' or 'ruddy' | English, Irish | Boy | — | |
| Flyn | Descendant of Flann; associated with 'red' or 'ruddy' | Irish | Boy | — | |
| Fogartaigh | Descendant of Fogartach; 'Fogartach' means 'banished' or 'exiled' | Irish | Boy | — | |
| Fogarty | Descendant of Fogartach; Fogartach likely means 'banished' or 'exiled' (Old Irish) | Irish | Boy | — | |
| Fogerty | Descendant of Fogartach - 'exiled' or 'banished'. | Irish | Unisex | — | |
| Foley | Descendant of Foghladh; Foghladh meaning 'plunderer' or 'raider' | Irish | Boy | — | |
| Freen | Likely "free" or "free one"; alternatively a family/surname name with no distinct lexical meaning. | Irish | Unisex | — | |
| Furgusen | Son of Fergus; Fergus = 'man of vigor' or 'strong man' | Irish, Scottish | Boy | — | |
| Fynbar | 'fair-headed' or 'white head' (from Irish fionn 'fair' + barr 'head/top') | Irish | Boy | — | |
| Fynbarr | From Fionnbharr, meaning "fair-headed" or "fair top" | Irish | Boy | — | |
| Fyndleah | A modern blend meaning 'fair' (from Fin) + 'weary/delicate' (from Leah) - often interpreted as 'fair and delicate'. | English, Irish | Girl | — | |
| Fyneghan | Little fair one; descendant of Fionn (fair-haired) | Irish | Boy | — | |
| Fyngal | “fair stranger” - from Gaelic fionn 'fair' + gall 'stranger/foreigner' | Irish, Scottish Gaelic | Boy | — | |
| Fynian | From Irish 'Fionn' meaning 'fair' or 'white'; often interpreted as 'little fair one' | Irish | Boy | — | |
| Fynneghan | Little fair one; descendant of the fair-haired | Irish | Boy | — | |
| Fynnk | From Gaelic 'fionn' meaning 'fair' or 'white; fair‑haired' | Gaelic, Irish | Boy | — | |
| Fyntan | From Gaelic elements meaning 'fair/white' + 'fire' - commonly interpreted as 'white fire' or 'fair little fire'. | Gaelic, Irish | Boy | — | |
| Fynyan | Little fair-haired one | Gaelic, Irish | Boy | — | |
| Fytzgerald | Son of Gerald (Gerald = 'rule of the spear' or 'spear ruler') | Irish, Norman | Boy | — | |
| Fytzgeraldo | Son of Gerald - 'son of the spear-ruler' | Irish | Boy | — | |
| Fytzpatric | Son of Patrick; descendant or devotee/servant of Saint Patrick | Irish | Boy | — | |
| Fytzpatrick | Son/descendant of Patrick | Irish | Boy | — | |
| Fytzpatrik | Son of Patrick | Irish | Boy | — | |
| Gabhan | Derived from gobha 'smith'; a diminutive meaning 'little smith' or 'young smith'. | Irish | Boy | — | |
| Gabhann | Smith, blacksmith (often interpreted as 'little smith') | Irish | Boy | — | |
| Gabrán | Little goat | Irish | Boy | — | |
| Gadhra | Hound, dog | Irish | Boy | — | |
| Gaelan | Little Gael; a diminutive of Gael, meaning a Gaelic person or Irishman | Gaelic, Irish | Boy | — |
Aggregated births across Ireland, United Kingdom, United States, Australia for every Irish-origin name in our dataset.
