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Cognomen Oleks (Oleks
) , in the entire world, is a very rare family name. The cognomen Oleks is habitual in Estonia, where it is quite a rare surname, Poland, where it is a very rare surname, and Australia. Measured by absolute frequency, it is commonest in Estonia, Poland, and the United States. Likewise, Oleks is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oleks | Estonia, India, Poland, Australia, United States |