Cognomen Berther (Berther 
) , all around the world, is quite a rare family name. The cognomen Berther is characteristic of Liechtenstein, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Estonia, where it is a rare surname. In absolute terms, the name is most common in Switzerland, Germany, and the United States. Likewise, Berther is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Berther | Germany, Tanzania, Kenya, United States, Switzerland |
| baseli berther CH (b. 1858) |
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| josef berther (b. 1862) |
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| nella berther Brescia 1913 - 1972 (b. 1913) |
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| toni berther (b. 1927) |
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| martina berther CH (b. 1984) |
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| vanessa berther US (b. 1992) |
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