The square „An der Alten Synagoge“ was given its name in 1990. The naming of the previously nameless square at the suggestion of the GCJZ Paderborn was a small intermediate step in the efforts and controversial discussions over the years about an appropriate form of commemoration of the annihilated Jewish community at the site of the synagogue destroyed in 1938.

A path on the grounds of the university has commemorated the last director of the Jewish orphanage, Liese Dreyer, since 2003. Rose Elise ‚Liese‘ Dreyer was born in Rietberg on July 10, 1895. In 1914, she moved from Cologne, where she probably trained as an educator, to Paderborn to work in the Jewish orphanage on Leostraßlig. In 1930, Liese Dreyer succeeded her aunt as director of the orphanage, which not only housed orphans but also poor children from Jewish families, who were to be provided with food and accommodation as well as education and schooling.

The Munich address book of 1891 contains the following entries: Erlanger Moses ( Erlanger & List ) merchant, Schommerstr.13/2 - Erlanger & List, Weiß, Woll- u. Strohhutgeschäft, Einlaß 3/1 - List Mart. ( Erlanger & List ) merchant, Parkstr.3/1 - Moses Erlanger changed his residence  several times - 1892 Schwanthalerstr.11/1, - 1893 - Senefelderstr.11/2 -  1900 - Bayerstr.33/3rd - In the Munich address book 1913 the following entry: Erlanger & List, Weiß,-Wolle- und Srohhutmanufakt., (owner Gustav Henle u. Jos. Hermann) Schillerstr.34. From 1916 owner Gustav Henle.

The Jewish religious communities in Prague ran retraining courses in the house until 1942 for Jewish men who had been forced out of their jobs by the National Socialists.

Max Lesser was born on May 31, 1878 in Schwersenz (near Poznan). He grew up in an important Jewish family of entrepreneurs. The Lessers had been building agricultural machinery since the late 19th century. The Lesser brothers' factory in Poznan, which at times employed 400 people, was considered the largest manufacturer of potato harvesters in Europe.

After the First World War, Poznan became Polish and the factory was sold.

The Henriettenstift was founded in 1852 by Henriette Schie (1801–1893), wife of the founder and banker Wilhelm Schie (1805–1861), at Eliasstraße 24 (renamed Güntzstraße 24 in 1938). The Henriettenstift was a poorhouse for Jewish families, which in the course of time developed into a home for the elderly, where mainly elderly single Jewish ladies lived. On July 4, 1939, the monastery was dissolved by the National Socialists and declared a so-called „Jews' house“ at the beginning of 1940. The 51 residents were deported to Theresienstadt in the summer of 1942.

Bernhard Hausner was born on May 21, 1853 in Oettingen. His parents were the Munich furrier Josua Hausner and his wife Babette, née Goldschmidt. Bernhard had four more siblings - Josef, born on December 3, 1844 in Oettingen, died on November 20, 1935 in Munich, - Sara, born on March 25, 1850 in Oettingen, died on October 7, 1850 in Oettingen, Moritz, born on April 26, 1850 in Oettingen, and - his wife Babette, née Goldschmidt.