Type Word Usage Old Irish Meaning & History Old Irish word meaning "Gael, Irishman" [1]. Related ItemsDetails Given Name DescendantsGaël, Gael, Gaëlle(Breton) Gael(English) Gaël, Gaëlle(French) Gael(Spanish) Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 408.