Mcadoo Family History
Mcadoo Name Meaning
Irish (Donegal and Monaghan): Anglicized form of Gaelic Mac Conduibh ‘son of Cú Dhubh’ a personal name or byname meaning ‘black hound’ from cú ‘hound’ (genitive con) + dubh ‘black’. It is also Anglicized as Cunniff and McNiff . The form McAdoo in Ulster may also be connected with the Scottish name McIndoe .
Source: Dictionary of American Family Names ©2013, Oxford University Press