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O'Neil Surname Origin

The descendants of Neil, that is, the powerful or mighty.

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'Neil  Surname Meaning and Family Facts

O'Neil Last Name Meaning
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There is more to O'Neil family history than the origin of your surname:

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A O'Neil Family History Thought:

'A journey of a thousand miles begins with a single step.




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