Last name Jahraus (Jahraus 
) , worldwide, is a rare cognomen. The last name Jahraus is habitual in Switzerland, where it is quite a rare surname, Germany, where it is a rare surname, and Canada. Not in comparison with a country's population, it is commonest in Germany, the United States, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Jahraus | Germany, Switzerland, United States, Canada, New Zealand |
| william jahraus American politician, US (b. 1885) |
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| donald jahraus special effects artist (1892-1963), US (b. 1892) |
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| oliver jahraus German Germanist, literary theorist and media studies writer, DE (b. 1964) |
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| beate jahraus researcher |
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| christopher jahraus researcher |
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