Marie Sittig, 67, of Washington, passed away at 6:28am Friday, September 13, 2019 at OSF St. Francis Medical Center in Peoria. Marie was born July 26, 1952 in Peoria to Lindal and Anna M. Berlett Thomas. She married Paul D. Sittig; he preceded her in death in 2000. She is survived by the father who raised her, Don (Carol) Brubaker of East Peoria; son, Donnie (Becca) Cary; grandsons, Jake and James; siblings, Penny (Roger) Brookbank and Tony (Shari) Brubaker; and nephews; Mike, Joe, Andy, and Steve Fisher and Conner, Cale, and Crayton Brubaker. Her mother also preceded her in death. Marie enjoyed simple things, like reading and butterflies. Her faith in Christ was strong and she was a volunteer for Walk to Emmaus for many years. A memorial service will be held at 1:30pm Tuesday, September 17, 2019 at Crossroads United Methodist Church. Pastor Dan Doty will officiate. Family will receive friends from 1-1:30pm Tuesday at the church. Cremation rites have been accorded by Deiters Funeral Home and Crematory in Washington. In lieu of flowers, memorial contributions may be made to Crossroads United Methodist Church.