Last name Seckel (יצחק 
, Seckel 
) , across the world, is quite a common cognomen. The cognomen Seckel is habitual in Israel, where it is quite a common surname, Germany, where it is a rare surname, and Netherlands. Measured by absolute frequency, it is the most numerous in Israel, the United States, and Germany. More frequently, Seckel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| יצחק | Israel |
| Seckel | Germany, Netherlands, Israel, France, United States |
| moses seckel (b. 1700) |
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| kryštof seckel Czech painter, CZ (b. 1725) |
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| norbert seckel (1725-1800), CZ (b. 1725) |
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| seckel isaac fränkel German-Jewish communal activist and scholar, DE (b. 1765) |
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| seckel löb wormser German rabbi, DE (b. 1768) |
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| georg david seckel (b. 1826) |
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| seckel bamberger German rabbi (1863-1934), DE (b. 1863) |
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| emil seckel German jurist and legal historian, DE (b. 1864) |
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| rosa seckel holocaust victim, b. 1865-01-01, DE (b. 1865) |
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| hugo seckel holocaust victim, b. 1866-12-11, DE (b. 1866) |
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| berta seckel holocaust victim, b. 1867-03-16, DE (b. 1867) |
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| ella seckel holocaust victim, b. 1874-12-25, DE (b. 1874) |
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| ernst seckel (b. 1868) |
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| jos seckel Dutch artist, NL (b. 1881) |
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al seckel American skeptic, US (b. 1958) |
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