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Ashkenazi Jews Got Last Names When Forced By Law

“Jews acquired their last names between the end of the 18th century and the middle of the 19th century, following a series of laws forcing them to adopt hereditary names. It was only after these laws were ratified that 99% of Jews in these territories received surnames. Before that period, the only Jews with last names like Epstein and Ginszburg were those of certain rabbinical dynasties. Thus, the fact that an Ashkenazi Jew may have a German or Slavic surname does not indicate that he or she is a German or Slavic with no “Middle Eastern blood.””
Mostly true
Confidence: High Checked on May 1, 2026

Summary

Jews were compelled by late‑18th‑century and early‑19th‑century laws in the Austro‑Hungarian, Russian, and German territories to adopt hereditary surnames, and by the mid‑19th century virtually all Ashkenazi Jews had taken them. Prior to these edicts, surnames were rare and largely confined to prominent rabbinic families. Genetic evidence shows that despite bearing Germanic or Slavic surnames, Ashkenazi Jews retain predominant Middle‑Eastern ancestry.

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science.org
  • Meeting the ancestors: History of Ashkenazi Jews revealed in medieval DNA | Science | AAAS

    By comparing the Erfurt genomes with modern and ancient DNA data from many different populations, the researchers were able to peer even further back, to the origins of those scattered European communities. The comparisons suggested the Ashkenazi circa 1350 had a mix of ancestry resembling populations from southern Italy or Sicily today, with components found in modern Eastern Europe and the Middle East mixed in.

nature.com
pmc.ncbi.nlm.nih.gov
academia.edu
  • (PDF) History of Jewish Names in Eastern Europe and Surnames in the Russian Empire

    These three chapters cover the historical aspects of names: Chapter 1: History of Jewish Names in Eastern Europe, with sections (a) Names in Hebrew Sources before the End of the 18th Century (b) Names in Slavic Sources before the End of the 18th Century (c) General Aspects of the Surname Adoption by Jews of the Russian Empire (d) Surname Changes in Russia and USSR Chapter 4: Adoption of surnames in various regions (Courland, Lithuania, Belorussia, Ukraine, Bessarabia) Chapter 5: Jewish surnames and Gentile surnames in Eastern Europe, with sections about surnames specific to Jews, shared by Jews and Slavic or German Christians, surnames borrowed by Jews from Christians

encyclopedia.ushmm.org
familysearch.org
  • Jewish Naming Customs • FamilySearch

    By the 1820s most of the small states in western Germany had extended civil rights to Jews, usually requiring them to adopt surnames at the same time. Often the Jews resisted the imposition of last names, and the edicts had to be enforced over ...

en.wikipedia.org
  • Hebraization of surnames - Wikipedia

    Hebraizing surnames has been an ... them by Emperor Joseph II of the Holy Roman Empire following an official decree on 12 November 1787....

  • Jewish surname - Wikipedia

    In the 18th century, a custom developed amongst the Eastern European Jews of the Austro-Hungarian and Russian Empires where surnames began being passed from mother to son as opposed from father to son, but the trend seems to have died out by the early 20th century.

jewishcurrents.org
  • November 12: Jews Acquire Family Names

    Most of his reforms were overturned, however, following his death at 49 in 1790, and rights would not be fully restored to Jews until 1867. “[P]ersonal names represent an organic part of Jewish culture. Their corpus developed over the centuries in a natural way, inside the community.

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