Robert “Bob” Guthrie DeRousse, 98, of Belleville, passed away at 5:17 p.m., Thursday, Aug. 10, 2023 at St. Elizabeth’s Hospital, O’Fallon. Visitation will be Friday, Aug. 18 from 9-11 a.m. at St. Boniface Catholic Church in Evansville. The funeral mass will follow at 11 a.m. at the church with Father Iuvenis Iheme and Father Steven Pautler officiating. Interment will be in the church cemetery. Pechacek Funeral Homes in Evansville is in charge of arrangements.