O'Leary Name Origin

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• 
  Irish (Celtic) 70%
• 
  American (Celtic) 20%
• 
  Canadian (Celtic) 10%

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Name Details

• First Name: N/A
• Last Name: O'Leary
• Name Order: Western
• Gender: Male

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Name Origin

The surname O'Leary is of Irish origin, derived from the Gaelic Ó Laoghaire, meaning 'descendant of Laoghaire', a personal name that means 'fierce as a warrior'. It is a common surname in Ireland and among Irish diaspora communities.