Family name Kupferschmidt (Kupferschmidt 
) , worldwide, is quite a rare surname. The cognomen Kupferschmidt is habitual in Western Europe, particularly Austria, where it is quite a rare surname, Germany, where it is a rare surname, and Switzerland. In absolute terms, it is the most numerous in Germany, the United States, and Austria. Much less frequently, Kupferschmidt is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kupferschmidt | Austria, Poland, Afghanistan, Germany, United States |
Coppersmith, Kopperschmidt, Kupershmidt, Kupferschmid, Kupferschmied, and Kupferschmitt
| nikolaus kupferschmidt (b. 1508) |
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| karl kupferschmidt (b. 1787) |
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| oscar kupferschmidt PL (b. 1844) |
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| moses lazor kupferschmidt PL (b. 1888) |
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| walter kupferschmidt DE (b. 1931) |
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| peter kupferschmidt German footballer, DE (b. 1942) |
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| erich kupferschmidt (b. 1952) |
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| thomas kupferschmidt (b. 1953) |
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| hugo kupferschmidt researcher |
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| kai kupferschmidt German science journalist, DE (b. 1982) |
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| sylvia kupferschmidt Swiss association football player, CH (b. 1984) |
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| frank kupferschmidt DE (b. 1974) |
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| philipp kupferschmidt |
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| hieronymus kupferschmidt |
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| jens kupferschmidt |
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