Name Gillooly
Type Surname (from given name)
Usage Irish
Other Forms FormsMac Giolla Ghuala (Irish Gaelic), Gilhooley, Gilhooly, Gillhooly, Gilluly, Gillulie, Gilooly, Gululie, Giluly, Giluley, Gulhouley, Gilhouly, Gollhooley
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Meaning & History
shortened Anglicized form of Gaelic Mac Giolla Ghuala "son of the gluttonous lad" from gola "gullet gut".