Searching for Jewish Ancestors before They Had a Fixed Family Name—Three Case Studies from Bohemia, Southern Germany, and Prague

Anyone who traces their Jewish ancestors back to the 18th century and even further back in history encounters the challenge of looking for ancestry without the clue that a fixed family name provides. Before the end of the 18th and beginning of the 19th century, when Jews were forced by law to adopt a fixed family name, Ashkenazim Jewish families used patronymic names as last names. A patronymic name changes every generation. Sometimes, in larger cities, various types of nicknames were used as last names. Such a nickname could change within a generation and often indicated the place a person came from, his occupation, or personal characteristics. In this article, I will show, using three case studies, how I have faced the challenge of determining which patronymic names and nicknames my ancestors used as last names before they were forced to adopt a fixed family name. The three case studies are the ancestors of Josef Stern, who lived in the late 18th and early 19th century in Neu Bistritz in southern Bohemia, today Nova Bystrice in Czechia; Julius Strauss, 1883–1939, who lived in the late 18th, 19th, and early 20th century in Frücht and Giessen in Nassau/Hesse, today in southern Germany; and Simon Reiniger, who lived in Prague in the 18th and early 19th century.