Family History and Genealogy Resources by Surname
O'Flaherty Surname Origin
The descendant of Flaherty.
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.
O'Flaherty Surname Meaning and Family Facts
O'Flaherty Last Name Meaning
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There is more to O'Flaherty family history than the origin of your surname:
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A O'Flaherty Family History Thought:
'Every man is his own ancestor, and every man his own heir. He devises his own future, and he inherits his own past.' -- H. F. Hedge