Last name Mroczkowska (Mroczkowska 
) , in the world, is quite a rare cognomen. The last name Mroczkowska is characteristic of Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and Germany, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Poland, Germany, and the United States. More prevalently, Mroczkowska is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mroczkowska | United Kingdom, Poland, Italy, Germany, United States |
| stefania mroczkowska Polish Righteous Among the Nations, PL (b. 1908) |
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| alina mroczkowska (b. 1908) |
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| marianna mroczkowska (b. 1915) |
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katarzyna mroczkowska Polish sportsperson, PL (b. 1980) |
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| katarzyna mroczkowska-brand Polish literary scholar, PL (b. 1950) |
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| dorota mroczkowska (b. 1959) |
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| stephanie mroczkowska researcher |
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| aneta mroczkowska researcher |
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| katarzyna mroczkowska researcher |
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| dorota mroczkowska researcher |
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| joanna mroczkowska PL |
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