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Cognomen Boylan (Boylan
, Бойлан
) , throughout the world, is a common surname. The last name Boylan is habitual in Ireland, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Australia. Not in comparison with a country's population, it most frequently occurs in the United States, Ireland, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Boylan | Canada, Australia, United States, United Kingdom, Ireland |
| Бойлан | Ukraine |