Last name Nowosielski (Nowosielski 
, Новосельський 
) , worldwide, is quite a rare family name. The cognomen Nowosielski is characteristic of Poland, where it is quite a rare surname, Ukraine, and Ireland, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Poland, Ukraine, and the United States. Likewise, Nowosielski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nowosielski | United Kingdom, Germany, Poland, Canada, United States |
| Новосельський | Ukraine |
| jan nowosielski (b. 1660) |
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| antoni karol nowosielski PL (b. 1675) |
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| leon nowosielski PL (b. 1698) |
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| michael nowosielski Polish architect and theatre designer, IT (b. 1747) |
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feliks nowosielski PL (b. 1800) |
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teofil stanisław nowosielski PL (b. 1812) |
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gustaw nowosielski Officer of the Polish Army, UA (b. 1897) |
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stefan nowosielski Polish sportsperson and athletics competitor (1907-1984), PL (b. 1907) |
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jerzy nowosielski Polish artist (1923-2011), PL (b. 1923) |
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| stanisław nowosielski Polish Righteous Among the Nations, PL (b. 1879) |
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stanisław nowosielski PL (b. 1929) |
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| stanisław nowosielski Polish physicist, PL (b. 1906) |
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roman nowosielski Polish lawyer, PL (b. 1957) |
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| piotr nowosielski (b. 1900) |
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| leszek nowosielski Polish painter (1918-2000), PL (b. 1918) |
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