Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Variant of McGuinness. Related NamesDetails RootAonghus (given name)VariantsAngus, Guinness, MacGinnis, MacGuinness, Mag Aonghuis, McGuinness, Ó hAonghuisOther Languages & CulturesAngus, Innes, MacAngus, MacInnes, McInnes(Scottish) MacAonghais(Scottish Gaelic)