Surname Wilhelmy (Wilhelmy 
) , throughout the world, is quite a rare family name. The last name Wilhelmy is habitual in Western Europe, particularly Luxembourg, where it is quite a rare surname, Germany, and Austria, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Canada.
| VARIANT | COUNTRY |
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| Wilhelmy | Canada, France, Austria, United States, Germany |
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ludwig wilhelmy German chemist, DE (b. 1812) |
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| johann georg wilhelm wilhelmy organ builder, DE (b. 1781) |
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| albert wilhelmy German lawyer, merchant and art critic, DE (b. 1845) |
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| sophie wilhelmy (b. 1843) |
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eduardo castaño wilhelmy Mexican painter, MX (b. 1910) |
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herbert wilhelmy German geographer, DE (b. 1910) |
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| emil wilhelmy DE (b. 1857) |
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| agathe wilhelmy (b. 1867) |
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| adolfo wilhelmy Mexican writer, MX (b. 1887) |
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| ernst wilhelmy (b. 1877) |
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| amelia wilhelmy Mexican film actress and stage actress, MX (b. 1900) |
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lothar wilhelmy DE (b. 1940) |
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| heinz wilhelmy (1906-1980) (b. 1906) |
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audrée wilhelmy Canadian writer, CA (b. 1985) |
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| albert wilhelmy professor at Université Laval, CA (b. 1936) |
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