Cognomen Grauer (Grauer 
, Грауэр 
) , in the entire world, is quite a rare last name. The surname Grauer is habitual in Germany, where it is quite a rare surname, Switzerland, and Uruguay. Not in comparison with a country's population, the name is most common in Germany, the United States, and Switzerland. Much less frequently, Grauer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grauer | Switzerland, France, Canada, United States, Germany |
| Грауэр | Russia, Kazakhstan |
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albert grauer German theologian, DE (b. 1575) |
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| johann reinhold grauer 27. mars 1756 Velben, Tyskland 20. desember 1819 Kjørbo i Bærum, Akershus (b. 1756) |
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| sebastian grauer German physician and botanist (1758–1820), DE (b. 1758) |
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| adolf grauer holocaust victim, b. 1856-04-11, AT (b. 1856) |
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ben grauer American journalist, US (b. 1908) |
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| helene grauer holocaust victim, b. 1862-09-15, DE (b. 1862) |
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| mathilde grauer Holocaust victim, born 1863-07-14 (b. 1863) |
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| helene grauer holocaust victim, b. 1864-04-20, DE (b. 1864) |
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| nathan grauer holocaust victim, b. 1864-12-10, AT (b. 1864) |
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| paula grauer holocaust victim, b. 1865-12-24, AT (b. 1865) |
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| amalie grauer holocaust victim, b. 1866-01-14, AT (b. 1866) |
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| rudolf grauer Austrian zoologist and explorer, AT (b. 1870) |
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| ignác grauer holocaust victim, b. 1871-08-16, CZ (b. 1871) |
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karl grauer German politician (1924-1982), DE (b. 1924) |
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| frieda grauer holocaust victim, b. 1875-11-25, DE (b. 1875) |
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