Last name Alther (Alther 
, الثير) , all around the world, is a rare surname. The last name Alther is habitual in Switzerland, where it is quite a rare surname, Libya, where it is a rare surname, and Sudan. Not in comparison with a country's population, this name is the most popular in Switzerland, Sudan, and the United States. Likewise, Alther is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Alther | Sudan, Philippines, Switzerland, United States, Democratic Republic of the Congo |
| robert mario alther (b. 1885) |
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| robert alther (b. 1923) |
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| lisa alther American novelist, US (b. 1944) |
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| roman alther Swiss carcinologist, CH |
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| yolanda alther |
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