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Cognomen Osullivan (Osullivan
, 奥沙利文
, Осулливан
) , in all the world, is a common family name. The family name Osullivan is characteristic of Ireland, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Ireland.
| VARIANT | COUNTRY |
|---|---|
| Osullivan | Canada, Australia, United States, United Kingdom, Ireland |
| 奥沙利文 | China |
| Осулливан | Russia |
Ósullivan, and โอซัลลิแวน