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Family name Olszewska (Olszewska ) , all over the world, is a common cognomen. The last name Olszewska is characteristic of Poland, where it is quite a common surname, Ireland, where it is quite a rare surname, and Belgium, where it is a rare surname. In absolute terms, the name is most common in Poland, the United Kingdom, and Germany. More frequently, Olszewska is the forename as well as the last name.
VARIANT | COUNTRY |
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Olszewska | Germany, Ireland, United States, United Kingdom, Poland |