Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Variant of O'Hannagain. Related NamesDetails VariantsHanegan, Hannigan, Hannigen, O'Hanegan, O'Hanigan, O'Hannagain, Ó hAnnagáin, O'Hannagan, O'Hannegan, O'Hannigain, O'Hannigan
