Anglicized form of a rare Gaelic name, Mac Nuadhat, a patronymic from the personal name Nuadha, the name of an ancient Celtic god.
(originally Scottish) reduced form of McNaughton. McNaughton
Scottish and Irish: Anglicized form of Gaelic Mac Neachtain, a patronymic from the personal name Neachtan, a name of the god of water in Irish mythology. This is cognate with Latin Neptunus ‘Neptune’, the Roman sea-god.