Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Irish Gaelic form of O'NEAL. Related NamesDetails VariantsMacNeil, Mac Néill, Mac Niall, McNeal, McNeil, McNeill, McNiall, McNiel, Neil, O'Neal, O'Neill, O'NiallOther Languages & CulturesMacNeil, Mac Néill, McNeal, McNeil, McNeill, McNiel, Neil(Scottish) Same SpellingO'Neill Entry added December 3, 2014
