Odonnell Family History
Odonnell Surname Meaning
Irish (Donegal Munster): Anglicized form of Gaelic Ó Domhnaill ‘descendant of Domhnall’ an old personal name composed of the Celtic elements domno- ‘world’ + val- ‘might rule’.
Compare the Anglicized form Donald and the Scottish clan name McDonald.
Source: Dictionary of American Family Names 2nd edition, 2022
