Cognomen Obyrne (Obyrne 
) , worldwide, is quite a rare surname. The surname Obyrne is habitual in Ireland, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia. Not in comparison with a country's population, the name is most common in the United States, Ireland, and the United Kingdom. Very seldom, Obyrne is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Obyrne | United Kingdom, Australia, Ireland, United States, Colombia |