>From Illinois Place Names, Illinois State Historical Society, Occasional Publications, No. 55, Springfield, Illinois, 1989 Berry (Sangamon) Post Office established (changed from South Fork) 04/01/1870; changed to Custer 1924; dissolved since 1931; now Rural Free Delivery Rochester. Baltimore and Ohio Rail Road stopped there at one time. Named for Robert Berry, store keeper and post master. Formerly Clarksville, Custer, Mottarsville, South Fork. Population 30 in 1958. Dan Dixon - President/Editor PO Box 1829 (Mailing Address) Springfield, IL 62705-1829 Email: Dbutton2@aol.com Phone: 217-529-0542 Sangamon County Genealogical Society Office Library 2856 South 11th Street (approx. 3 blocks north of Stevenson Drive and approx. 2 1/2 blocks south of Bunn Golf Course) Springfield, Illinois Phone: 217-529-0542 Email: Dbutton2@aol.com Open Tuesday Nights 5:30 to 9:00 or by appointment Web Address: http://www.rootsweb.com/~ilsangam/scgs/scgs.htm