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.
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| Olszewska | Poland, United States, United Kingdom, Ireland, Germany |
| klara von olszewska 20 Nov 1821 Anklam - 23 Nov 1882 Berlin (b. 1821) |
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maria olszewska German opera singer (1892-1969), DE (b. 1892) |
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| jadwiga olszewska Polish physician, PL (b. 1855) |
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| michalina olszewska (b. 1848) |
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izabella olszewska Polish actress, PL (b. 1930) |
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marta olszewska Polish journalist (1932-2020), PL (b. 1932) |
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| zofia olszewska Polish Righteous Among the Nations, PL (b. 1898) |
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| teodora olszewska PL (b. 1890) |
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solange olszewska Polish dentist, PL (b. 1951) |
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| kazimiera olszewska PL (b. 1912) |
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| zofia olszewska Polish dermatologist and STD diseases specialist, PL (b. 1923) |
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| maria olszewska Polish biologist (1929-2011), PL (b. 1929) |
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| anna olszewska PL (b. 1922) |
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angelika olszewska Polish actress, PL (b. 1989) |
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| izabela olszewska (b. 1930) |
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