Mac Conchobhair
Mac CONCHOBHAIR—IV—M'Connogher, M'Connoghor, M'Conoher, M'Connor, MacNogher, MacNaugher, MacNoher, MacNoger, Minogher, Minoher, Connor, Nogher, Noher, Naugher, Naughter, Nocter, &c.; 'son of Conchobhar' (an ancient and very common Irish personal name, Latin 'Cornelius,'and anglicised 'Cornelius' and 'Connor').
Alphabetical Index to Irish Surnames