Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Anglicized form of Irish Ó Maoil Eoin meaning "descendant of a disciple of Saint John". Related NamesDetails Rootsmáel + EoinVariantsMallon, Mollown, Ó Maoil Eoin Categories brand names, Cheers characters, child actors, drag racers, Frasier characters, isograms, NBA players, rappers, stage names, The Office US characters