| Fechine | A name meaning a little raven. |
| Fechtnach | A name meaning lucky or blessed. |
| Feeak | A name meaning a small warrior. |
| Feelan | A name meaning little wolf cub. |
| Feeocka | Little White Head |
| Feeockna | A name meaning noble protector. |
| Feidlim | A name meaning ever good person. |
| Feilim | A name meaning one who is loyal. |
| Felimid | A name meaning constant beauty. |
| Feradach | A name meaning man of the law. |
| Ferdia | A name meaning man of the gods. |
| Ferdomnach | A name meaning church man. |
| Ferdorcha | Dark Featured Man |
| Ferghil | A man of great valor and strength. |
| Fergusa | One who possesses masculine vigor. |
| Feris | A name meaning a man of iron will. |
| Ferriss | Derived from the word for ironlike. |
| Feuillan | One who is like a small leaf. |
| Fiacc | A name meaning a raven or wild bird. |
| Fiach | A term referring to a dark raven. |
| Fiacha | One who hunts like a wild raven. |
| Fiachnae | A name meaning son of the raven. |
| Fiachu | Derived from the Irish word for raven. |
| Findan | Derived from the word for fair one. |
| Findbarr | Meaning fairhaired or white head. |
| Findchad | Meaning fair or white warrior hero. |
| Findchada | Meaning fair or white battle hero. |
| Findlaech | Meaning fair or whitehaired hero. |
| Fingin | Meaning fair or whiteborn offspring. |
| Finguine | Meaning fair or whiteborn kin. |
| Fininny | A name meaning fair or white one. |
| Finkawn | A name meaning fair or white. |
| Finlea | Fair Haired Courageous One |
| Finlee | Fair Haired Courageous One |
| Finloog | The Name of a Celtic God |
| Finnbarr | Meaning fairhaired or white. |
| Finnchad | Meaning fairhaired warrior. |
| Finnchan | Meaning a fair little one. |
| Finneacht | Meaning fair and righteous. |
| Finneachta | Happy Day in Calendar |