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Family name オバーン (O'Byrne , オバーン) , in the world, is quite a rare cognomen. The last name オバーン is habitual in Ireland, where it is quite a common surname, Isle of Man, where it is quite a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in Ireland, Australia, and the United Kingdom.
VARIANT | COUNTRY |
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O'Byrne | United Kingdom, Ireland, Australia, Canada, United States |