Ó Fáilbhe
Ó FÁILBHE—I—O Falvie, O Falvy, O Fallie, O'Falvey, Falvey, Fealy, Fealey; 'descendant of Fáilbhe' (lively); the name of an ancient family in Kerry, who before the Anglo-Norman invasion were lords of Corca Dhuibhne, the present barony of Corcaguiny; now rather rare; in parts of North Kerry sometimes pronounced Ó Fáile, anglicised Fealy.
Alphabetical Index to Irish Surnames