Ó Giollabhuidhe
Ó GIOLLABHUIDHE—I—O Gillavoye, O Gilboy, O'Gilvie, O'Gilbie, Ogilby, Gilbey, Gillbee, Gilboy, Gilvoy, &c.; 'descendant of Giollabuidhe' (yellow lad); a Donegal surname. Compare with Mac Giollabhuidhe.
Alphabetical Index to Irish Surnames