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Last name Ó Caoimh (O'Keefe , Ó Caoimh ) , all over the world, is a common surname. The cognomen Ó Caoimh is habitual in Bermuda, where it is quite a common surname, Australia, and Ireland, where it is quite a rare surname. Measured by absolute frequency, the name is most common in the United States, Australia, and Canada.
VARIANT | COUNTRY |
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O'Keefe | United Kingdom, Australia, Ireland, United States, Canada |
Ó Caoimh | Ireland |