Cognomen Wellin (Wellin 
, والين 
, ويلين) , all over the world, is a rare last name. The cognomen Wellin is characteristic of Sweden, where it is a rare surname, Belgium, and Egypt, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in the United States, Egypt, and Indonesia. Likewise, Wellin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wellin | Indonesia, Philippines, Brazil, Dominican Republic, United States |
| والين | Egypt |
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bertha wellin Swedish politician, SE (b. 1870) |
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| alrik wellin SE (b. 1833) |
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| georg valstrøm wellin Norwegian photographer, NO (b. 1860) |
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| arthur wellin German film director, DE (b. 1880) |
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holly wellin British pornographic actress, GB (b. 1986) |
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| paul r. wellin (b. 1954) |
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| paul r. wellin |
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