Surname Kopstein (Kopstein 
) , in the entire world, is a rare cognomen. The last name Kopstein is habitual in Israel, where it is a rare surname, Canada, where it is a very rare surname, and the United States. Measured by absolute frequency, it is commonest in the United States, Brazil, and Israel.
| VARIANT | COUNTRY |
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| Kopstein | Brazil, Israel, Canada, United States, Germany |
| philipp kopstein holocaust victim, b. 1853-11-23, AT (b. 1853) |
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| karl kopstein holocaust victim, b. 1882-06-11, AT (b. 1882) |
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| johanna kopstein holocaust victim, b. 1886-10-20, AT (b. 1886) |
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| felix kopstein Austrian herpetologist (1893-1939), AT (b. 1893) |
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| erna kopstein holocaust victim, b. 1895-12-24, AT (b. 1895) |
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| regina kopstein (b. 1885) |
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| jeffrey kopstein American historian, US (b. 1961) |
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| melvyn kopstein researcher |
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Mr, Joan, Joel, Jean, Jeff, Judy, Todd, Tisa, Emma, Evan, Haim, Fran, Irma, Otis, Maria, Manny, Morey, Moshe, Mered, Sally, Sarah, Susan, Josh, Steve, Jack, Lani, Ms, Max, Ana, Cal, Ben, Ron, Roy, Gal, Jay, Hal, Ivy, Mady, Syde, Alua, Anne, Adam, Cary, Kyle, Rick, Dara, Greg, Lisa, and Scott