Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links From Irish Ó Néill meaning "descendant of Neil". Related NamesDetails RootNiall (given name)VariantsMac Néill, Neil, O'Neill, Ó Néill, O'NiallOther Languages & CulturesNeal, Neil, Nelson, Nielson, Nigel, Niles(English) MacNeil, McNeal, McNeil, McNeill, McNiel, Neil(Scottish) MacNèill(Scottish Gaelic) Categories anglicizations, Barry Lyndon, Blues Hall of Fame inductees, child actors, comedians, isograms, NBA players