Surname Prusak (Prusak 
, Прусак 
) , all over the world, is quite a rare cognomen. The family name Prusak is characteristic of Eastern Europe, particularly Poland, where it is quite a rare surname, Slovakia, and Czechia. Not in comparison with a country's population, the name is most common in Poland, the United States, and Ukraine. Also, Prusak is the forename as well as the last name.
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| Prusak | Germany, Czechia, United States, Poland, Slovakia |
| Прусак | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| yaakov prusak Victim of the Holocaust, PL (b. 1880) |
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| klara prusak Victim of the Holocaust, PL (b. 1880) |
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| lea prusak Victim of the Holocaust, PL (b. 1882) |
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| yehudit prusak Victim of the Holocaust, PL (b. 1882) |
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| wacław prusak painter (1891-1978) (b. 1891) |
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| leon prusak (b. 1889) |
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| leon prusak Victim of the Holocaust, PL (b. 1905) |
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| dvora prusak Victim of the Holocaust, LT (b. 1911) |
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| rivka prusak Victim of the Holocaust, PL (b. 1912) |
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artur prusak Polish rally pilot |
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| feliks prusak PL (b. 1939) |
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| laurence prusak (b. 1944) |
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| jacek prusak Polish Catholic priest, Jesuit, theologian, professor at the Ignatianum Academy in Krakow, doctor of psychology, PL (b. 1971) |
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| rachel prusak American politician and nurse practitioner, US (b. 1975) |
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| sergiusz prusak Polish footballer, PL (b. 1979) |
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