David M. Johnston, age 71, of Plainfield, IN, passed away on Friday, January 14, 2022. He survived by his children, David, Daniel, Dennis and Carrie, brother, George, sister, Mary Ellen and 9 grandchildren. Many nieces and nephews also survive. David was preceded in death by his parents, David J. and Mary Johnston (nee Naughton) (Mary was a US and Irish Citizen), brother, Robert and sister, Patricia. David was a Retired Corrections Officer for the State of Indiana. Visitation for David will take place on Thursday, January 20, 2022 from 10:00 A.M. until 12:00 Noon at Forsythe Gould Funeral Home, Manhattan, IL. Interment will take place at Brown Cemetery, Elwood, IL at 12:45 P.M. Arrangements entrusted to Forsythe Gould Funeral Home, 507 S. State St., Manhattan, IL 60442, 815-478-3321, www.forsythegouldfh.com