Mcadoo Family History
Mcadoo Name Meaning
Northern Irish (Connacht): 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.
Source: Dictionary of American Family Names ©2013, Oxford University Press