Family name Weltsch (Weltsch 
, ולטש ) , around the globe, is a rare surname. The family name Weltsch is habitual in Switzerland, where it is a rare surname, Czechia, and Israel. In absolute terms, this name is the most popular in the United States, Germany, and Switzerland. Very seldom, Weltsch is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Weltsch | Germany, Czechia, Switzerland, United States, Israel |
| ולטש | Israel |
| theodor weltsch CZ (b. 1861) |
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| hanuš weltsch holocaust victim, b. 1878-04-08, CZ (b. 1878) |
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| josefine weltsch holocaust victim, b. 1879-05-21, AT (b. 1879) |
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| rené weltsch CZ (b. 1870) |
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| pavel weltsch holocaust victim, b. 1891-03-11, CZ (b. 1891) |
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| irma weltsch (b. 1892) |
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| erich weltsch holocaust victim, b. 1905-03-11, CZ (b. 1905) |
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| bedřich weltsch holocaust victim, b. 1908-12-02, CZ (b. 1908) |
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Ms, Sarah, Sonya, Stacy, Alana, Ariel, Chris, Carol, Keren, Keith, Paula, Peter, Renee, Darin, David, Gavin, Linda, Limor, Loren, Jamie, Joann, Joyce, Micah, Tali, Judy, Juli, Kay, Ron, Dan, Guy, Leo, Tom, Noa, Uri, Maya, Anna, Jerry, Amos, Rita, Ryan, Dani, Greg, Gigi, Lisa, Lucy, John, Jojo, Jeff, Cody, and Julie