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- Osullivan - Last Name Meaning & Origin
Osullivan
- Used in: 2 countries
Name Variants & Related
- Osull Root name
Popularity by Country
Osullivan
Rank #3054
Frequency
10,879 people (4.03 per 100k)
Ethnic Distribution
White 94.96% Hispanic 1.59% Black 1.32% Asian/PI 0.75% Native Am. 0.1% Two+ 1.27%
Similar Names to Osullivan
Last names that start with O, sorted by popularity.