O'Neill O'Neill Name Origin
/oh-NEEL/-
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
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.
Name Trends
This chart shows how many babies were given the name O'Neill each year, based on data from the U.S. Government's Social Security Administration (SSA).