Family name Siffrin (Siffrin 
) , across the world, is a rare surname. The surname Siffrin is habitual in Bahamas, where it is quite a rare surname, Germany, where it is a rare surname, and France, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Bahamas. Much less frequently, Siffrin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Siffrin | Germany, Spain, Bahamas, United States, France |
| petrus siffrin German liturgist (1888-1963), DE (b. 1888) |
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| hans siffrin German Esperantist, DE (b. 1901) |
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| horst oskar siffrin German diplomat, DE (b. 1947) |
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| volker siffrin researcher |
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Mr, Sandra, Stefan, Angela, Arthur, Patrik, Pierre, Robert, Gloria, Lothar, Julian, Thomas, Teresa, Emilie, Fabien, Oliver, Walter, Stephen, Andreas, Cortney, Darlene, Davonya, Manuel, Oskar, Horst, Emily, Eva, Mary, Abby, Paul, Ralf, Rene, Lena, Lion, John, Jeff, Loretta, Sarah, David, Diane, Laura, Linda, Lorie, Louis, Lynda, Julia, Julie, Elias, Bernd, and Jeffrey