Mac Niallghuis
Mac NIALLGHUIS, Mac NIALLGHUSA—IV—M'Nellus, MacNelis, MacEneilis, MacEnealis, MacNeilage, Manelis, Nealis, Nelis; 'son of Niallghus' (champion-choice); the name of a West Ulster family, some of whom have settled in Mayo.
Alphabetical Index to Irish Surnames