Cognomen Wintsch (Wintsch 
) , all around the world, is a rare last name. The cognomen Wintsch is characteristic of Liechtenstein, where it is quite a common surname, Cayman Islands, where it is quite a rare surname, and Switzerland. Not in comparison with a country's population, it is commonest in Switzerland, the United States, and Thailand. Much less frequently, Wintsch is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wintsch | Switzerland, Liechtenstein, Thailand, United States, France |
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jean wintsch doctor, anarchist, and neo-Malthusian (1880-1943), CH (b. 1880) |
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| johanna natalie wintsch (b. 1871) |
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| hans ulrich wintsch DE (b. 1932) |
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| serge wintsch CH (b. 1936) |
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| michel wintsch Jazz pianist, CH (b. 1964) |
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Mr, Megan, Misty, Sarah, Stacy, Allie, Cally, Cathy, Cindy, Becky, Kayla, Kerry, Kevin, Peter, Pilar, Randy, Roger, Donna, Laura, Julie, Erich, Harry, Marco, Haley, Ueli, Hans, Ms, Max, Luc, Jan, Joe, Ivo, Mani, Maja, Sven, Anne, Rolf, Reto, Ruth, Dana, Dave, Jody, Jean, Teal, Troy, Eric, Emer, Fred, and Heinz