O'Neill O'Neill Name Origin

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2. Name Origin
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• 
  Irish (Celtic) 60%
• 
  American (Celtic) 30%
• 
  Canadian (Celtic) 10%

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Name Details

• First Name: O'Neill
• Last Name: O'Neill
• Name Order: Western
• Gender: Male

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Name Origin

The surname O'Neill is of Gaelic origin, derived from the Gaelic Ó Néill, meaning 'descendant of Niall'. It is a prominent Irish surname associated with the historical O'Neill dynasty of Ulster.