Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Variant of O'NEAL. Related NamesDetails VariantsMac Néill, Neil, O'Neal, O'Neill, Ó NéillOther Languages & CulturesMacNeil, Mac Néill, McNeal, McNeil, McNeill, McNiel, Neil(Scottish) Entry updated October 30, 2011