Family name Welcher (Welcher 
) , all around the world, is quite a rare surname. The surname Welcher is characteristic of Honduras, where it is quite a rare surname, Denmark, and the United States, where it is a rare surname. Not in comparison with a country's population, the name is most common in the United States, Honduras, and Canada. Much less frequently, Welcher is the forename as well as the last name.
| johanna maria sofia welcher actor (b. 1870) |
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| frank johnson welcher (b. 1907) |
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| dan welcher American composer, US (b. 1948) |
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| peter joseph welcher Ph.D. Massachusetts Institute of Technology 1978 |
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| brent welcher researcher |
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| trevor welcher college basketball player (2008–2011) Delaware State |
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