Mcnair Family History
Mcnair Name Meaning
Scottish:: Anglicized form of Gaelic Mac Iain Uidhir ‘son of sallow John’. This form is associated mainly with Ross-shire. Anglicized form of Gaelic Mac an Fhuibhir ‘son of the smith’ Mac an Fhuidhir ‘the stranger's son’ or Mac an Oighre ‘son of the heir’ which despite different pronunciation have all been suggested to explain this surname. It was sometimes also Anglicized as Weir . The surname evidently arrived late in Ireland from Scotland. Anglicized form of Gaelic Mac an Mhaoir ‘son of the steward or keeper’. The same name in Ireland was commonly Anglicized as Weir .
Source: Dictionary of American Family Names 2nd edition, 2022