Last name Czarnowska (Czarnowska 
) , all over the world, is a rare cognomen. The last name Czarnowska is habitual in Poland, where it is quite a rare surname, the United Kingdom, where it is a very rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Poland, the United States, and the United Kingdom. More prevalently, Czarnowska is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Czarnowska | Canada, United Kingdom, United States, Germany, Poland |
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barbara bronisława czarnowska Polish soldier (1810-1891), PL (b. 1810) |
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| maria cecylia czarnowska PL (b. 1906) |
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| maria czarnowska (b. 1906) |
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| krystyna czarnowska Polish Righteous Among the Nations, PL (b. 1923) |
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| krystyna czarnowska PL (b. 1926) |
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| elżbieta czarnowska researcher ORCID ID = 0000-0002-1785-1405, PL |
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