Ed I have Schilling in Hanover. Fred Schilling b. c. 1828 in Hanover - d. 1880 in Germane Iowa. He immigrated before 1863. He also lived in South Dakota and Michigan. I have other surnames that I am working and have found some in Hanover and others not far away in Hessen. I may have found your Gustav in the 1880 Cook Co. IL census. Chicago, District 151. Gustav Schilling - age 56, Glove Maker, Sachen, Prus., Prus. Bertha Schilling - age 45, Sachen, Mecklenburg, Sachen Alexsander Schilling - age 20, IL Matilda Schilling - age 17, IL Ida Schilling - age 14, IL Auguste Schilling - age 9.