Last name Weyrich (Weyrich 
) , all over the world, is quite a rare surname. The family name Weyrich is habitual in Western Europe, particularly Luxembourg, where it is quite a common surname, Germany, where it is quite a rare surname, and Switzerland. In absolute terms, it is the most numerous in Germany, the United States, and France.
| VARIANT | COUNTRY |
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| Weyrich | Brazil, Switzerland, France, United States, Germany |
| johann christoph weyrich (b. 1738) |
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| alexander weyrich (b. 1778) |
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| wilhelm weyrich (b. 1788) |
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| karl rufus victor weyrich männlich | 28.11.1819 Erlaa | 27.2.1876 Dorpat | Deutschbalte | (b. 1819) |
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| karl julius weyrich LV (b. 1810) |
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| heinrich weyrich botanist (1828-1863) (b. 1828) |
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marie weyrich French painter, editor (1878-1925), FR (b. 1878) |
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paul weyrich American political activist, US (b. 1942) |
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| karl weyrich DE (b. 1884) |
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| günther weyrich Austrian physician, AT (b. 1898) |
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| mathias weyrich LU (b. 1889) |
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| emil weyrich (b. 1889) |
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| rudolf weyrich DE (b. 1894) |
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| franziska paulina clementine weyrich (b. 1900) |
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| hugo weyrich FR (b. 1901) |
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