Family name Kielak (Kielak 
) , throughout the world, is quite a rare cognomen. The surname Kielak is characteristic of Poland, where it is quite a rare surname, Norway, where it is a very rare surname, and Venezuela. In absolute terms, it most frequently occurs in Poland, Venezuela, and the United States. More prevalently, Kielak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kielak | Argentina, Venezuela, Poland, United Kingdom, United States |
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stanisław kielak PL (b. 1885) |
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| jan kielak (b. 1877) |
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| marta kielak Polish Righteous Among the Nations, PL (b. 1905) |
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michał kielak Polish blues musician, PL (b. 1977) |
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artur kielak Polish sportsperson, PL (b. 1978) |
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| bernard kielak PL (b. 1944) |
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| dorota kielak (b. 1964) |
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| dawid kielak researcher, ORCID id # 0000-0002-5536-9070 |
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| wiesława kielak Ph.D. Uniwersytet Śląski w Katowicach 1983 |
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| dawid kielak D. Phil. University of Oxford 2012 |
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