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Cognomen Tarnowska (Tarnowska
, Тарновская
) , throughout the world, is quite a rare last name. The cognomen Tarnowska is characteristic of Eastern Europe, particularly Poland, where it is quite a rare surname, Belarus, and Moldova. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Poland, Russia, and Belarus. Likewise, Tarnowska is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tarnowska | Poland, France, Austria, United States, United Kingdom |
| Тарновская | Kazakhstan, Russia, Moldova, Kyrgyzstan, Belarus |