Jewish Federation in Springfield, 730 E. Vine St.; Springfield, Ill 62703; 217/528-3446. They may provide history and contacts.
1919 Jewish population was 700. Source: Alan Hirschfeld from "Directory of Jewish Local Organizations in the United States", pp. 330-583. American Jewish Year Book 5680 September 25, 1919 to Sept. 12, 1920; Volume 21, edited by Harry Schneiderman.
Oak Ridge Cemetery: Rabbi Marks said, "I am completely familiar with the cemetery." Jews are definitely buried there. I assume that his synagogue still oversees that tract of land. Temple Israel, 1140 W. Governor St.; Springfield, Illinois 62704; 217/546-2841. Source: This email address is being protected from spambots. You need JavaScript enabled to view it..