Family History and Genealogy Resources by Surname
McDermot Surname Origin
The son of Dermot).
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
McDermot Surname Meaning and Family Facts
McDermot Last Name Meaning
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There is more to McDermot family history than the origin of your surname:
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A McDermot Family History Thought:
'Remember, remember always, that all of us, and you and I especially, are descended from immigrants and revolutionaries.' --Franklin D. Roosevelt