Cognomen Brumbach (Brumbach 
) , worldwide, is a rare last name. The cognomen Brumbach is habitual in Germany, where it is a rare surname, the United States, and Norway, where it is a very rare surname. In absolute terms, it is the most numerous in the United States, Germany, and Canada.
| VARIANT | COUNTRY |
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| Brumbach | Germany, Canada, Norway, United States |
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katharina brumbach Circus strongwoman (1884-1952), DE (b. 1884) |
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| virgil j brumbach Brumback, Virgil J; class of 1881, US (b. 1858) |
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| steve brumbach college basketball player (1988–1989) UCLA |
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| w. c. brumbach botanical collector |
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| gustav brumbach German circus director, DE |
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| franz brumbach |
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