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Cognomen Olownia (Olownia
) , throughout the world, is a rare family name. The cognomen Olownia is habitual in Poland, where it is a rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. Also, Olownia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olownia | Canada, United States, Poland, United Kingdom |