as a Last Name
- 49,028
- people in the U.S. have this name View all people named Oneill
Meaning & Origins
Irish: Anglicized form of Gaelic Ó Néill ‘descendant of Niall’ (see Neill).
| 578th in the U.S. for 2011 |
Nicknames & variations
Quick facts
- Tens of Thousands
- of people in the U.S have this name
- 49,028
- to be exact (as of February 2011)
- Massachusetts
- has the most people named Oneill per capita
Top state populations
U.S. Distribution Map
Top Twitterers with this name
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