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- O’Neill - Last Name Meaning & Origin
O’Neill
- Used in: 2 countries
Origin: Irish
Anglicisation of an Irish surname meaning "descendant of Niall".
Etymology: Wiktionary (CC-BY-SA)
Name Variants & Related
Popularity by Country
O’Neill
Rank #131
Popularity Over Time (Scotland)
Similar Names to O’Neill
Last names that start with O, sorted by popularity.