The Church's Fourth Lateran Council decrees that Jews be differentiated from others by their type of clothing to avoid intercourse between Jews and Christians.
The reason for this was far from benevolent – it was to facilitate tax collection.
After Napoleon’s defeat many Jews dropped their surnames and returned to "son of" names like Mendelsohn, Jacobson, Levinson, etc.
The database includes information on the origin and meaning of family names, locations, and a wide array of sources where this name has been cited.
Our database focuses on Sephardic Jewish surnames originating in Spain and Portugal.