Fagan - (FAY-gan) "little fiery one".

Fallon - variant of Faolan. Fallamhain.

Faol�n - (FEH-lahn or FAY-lawn) from Old Irish faol "wolf" + dim. -an. Faolan was the name of fourteen saints, and ten warriors in Finn mac Cumhaill's band. Source of the surnames Phelan and Whelan. Anglicized Fallon, Faelan, Felan..

Farrell - (Celt) "heroic, courageous". Fearghal (FAHR-gahl), Farr.

Fearghus - (FAHR-gus or fay-REES) from Old Irish fer "man" + gus "strength, vigor"; "super-choice". Fergus mac Roich, foster-father of Cu Chulainn, was a hero of the Irish epic The Cattle Raid of Cooley. Renowned for his strength and stamina both on the battlefield and the bedroom. Fergus Finbel (Fergus Wine-Mouth) was a poet of the Fianna. Classic, anglicized Fergus (FER-guhs).

Fechine - possibly from fiach "raven," or from a word meaning "battle". Fechin.

Feidhlim - (FELL-em) "fortunate, lucky" or "ever good". Male or female name. Feidhlimidh.

Felix - (L) "fortunate or lucky". Feidhlim (FELL-em).

Feoras - (FEE-uh-rus)(Gr) "stone". Pierce.

Fercetrniu - poet of King Cu Roi, whose wife caused the king's death; when the poet discovered this, he leaped over a cliff taking her with him to her death.

Fergal - (FAYR-gal) "man of strength"; from Old Irish fer "man" + gal "fury, valor" = "manly" or "valorous". Fergal mac Mael Duin was another ancestor of the O'Neills. Fearghal.

Ferris - (fair-is)(Gr) "the rock"; form of Peter. Farris.

Fiachra - (FEE-uh-khruh) "battle-king" or "eagle". Irish saint name. Fiachna, Fiach, Feary.

Finghin - (FIN-jin) "fair birth"; variant of Fionn, Fionnbarr. Fineen, Finnin, Fionan, Finian, Finbar.

Finlayv - (Gael) "little (blond) fair-haired soldier". Finlay, Findlay, Findley, Finlea, Finn.

Finneces - poet who lived by the River Boyne and guarded the Salmon of Knowledge for seven years. He planned to eat it himself to gain the knowledge, but his student Fionn mac Cumhail tasted it first. Finegas.

Finnegan - "light skinned".

Finnian - (fin-ee-an) from finn "fair, pale-colored". Finnen.

Fionan - (FIN-ee-ahn) "fair". Finnian, Fionn.

Fionn - (FYUHN or FIN) from Old Irish finn "bright, fair". Anglicized as Finn. Finn mac Cumhaill was a hero, poet and sometime outlaw who led a band of warriors known as the Fianna. Fiann, Finian.

Fionnbharr - (FYUHN-var or FIN-ver) from Old Irish finn "bright, fair" + barr "hair". Eight Irish saints by this name. Best known is 6th C. St. Finnbarr, patron of Cork and of Barra in the Outer Hebrides. Anglicized as Finbar, Finnbarr, Barram, Bairrfhoinn; nicknames Barra, Bairre.

Fionntan - (FIN-tan or FYUN-tawn) from Old Irish finn "bright, fair". In myth, Fintan was the consort of Cessair. Fintanwas the only one of the group to survived the great flood. Afterwards, he lived on for thousands of years as a salmon, an eagle and a hawk. Also the name of 74 early Irish saints.

Fiontan - possibly "white ancient" or "white fire".

Fitzroy - "son of Roy".

Flann - (FLAHN) from Old Irish flann "blood red" or "redhead, ruddy". Flann has been the name of poets, scholars, abbots, saints, queens and kings. Flann Feorna was king of Kerry in the 8th C., and an ancestor of the O'Connors. Male or female name. Flainn, Floinn, Flannan, Flanagan, Flannagain, Flynn, Flannery.

Flannery - form of Flann; "redhead".

Flinn - form of Flynn; "son of the redhaired man".

Flynn - (Gael) "son of the red-haired man". Flin, Flinn.

Forbes - (Gael) "prosperous or headstrong".

Frederick - (Teut) "peaceful ruler". Feardorcha (fee-ar-e-DOHR-ekh-e).