Surname Giersch (Giersch 
) , all over the world, is quite a rare last name. The surname Giersch is habitual in Namibia, where it is quite a rare surname, Germany, and Australia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Australia. Very seldom, Giersch is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Giersch | Germany, Namibia, Australia, United States, France |
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herbert giersch German economist (1921-2010), DE (b. 1921) |
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| fritz giersch German politician, DE (b. 1915) |
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| martin giersch (b. 1909) |
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| jo giersch (b. 1916) |
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| carlo giersch German entrepreneur and merchant, DE (b. 1937) |
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| jutta giersch DE (b. 1928) |
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| rudolf giersch German association football player (1939-2016), DE (b. 1939) |
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| hans-joachim giersch (b. 1933) |
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| karin giersch DE (b. 1939) |
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| jürgen giersch PL (b. 1940) |
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| ulrich giersch (b. 1954) |
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| anne giersch researcher |
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| jason giersch academic, professor of political science and public administration |
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| emma j giersch researcher |
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| gabrielle e w giersch researcher (ORCID 0000-0002-6603-4399) |
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