Donald E. Mueller, 83, of Maryville, Illinois, and formerly of Florissant, Missouri passed away at 11:45 a.m. on Tuesday, November 24, 2020, at his home with his family at his side. He was born May 11, 1937 in Washington, Missouri, the son of the late Elmer and Genevieve (Quick) Mueller. He married Beverly J. (Stegmann) Mueller on December 5, 1964 at Salem Lutheran Church in Black Jack, Missouri and she survives. He retired in 1997 from the I.B.E.W. Local 1 in St. Louis after 65 years of dedicated service as an electrician. The United States veteran proudly served his country with the Army as a medical specialist. Donald was a member of Salem Lutheran Church in Black Jack, Missouri and attended Good Shepherd Lutheran Church in Collinsville. He enjoyed woodworking and refinishing furniture and was always tending to his yard through the years. He and his wife enjoyed traveling and were frequent snowbirds to Texas and Arizona. He loved life, was always busy doing things and cherished the love and special times he spent with his family and friends. In addition to his beloved wife of 56 years, he is survived by a daughter, Kelly J. Mueller of Maryville; a son, Todd E. Mueller of Florissant, Missouri; two grandchildren, Elizabeth and David Mueller; a brother-in-law and sister-in-law, William H. and Linda Stegmann of Ava, Illinois; other extended family and friends. In addition to his parents, he was preceded in death by two half-sisters, Jackie and Judy. In celebration of his life, a private funeral service will be held at Irwin Chapel, 591 Glen Crossing Road in Glen Carbon on Friday, December 4, 2020 with Reverend Michael P. Walther officiating. Burial with full military honors will follow at Jefferson Barracks National Cemetery in St. Louis. Memorials may be made to a charity of one’s choice and may be accepted at the funeral home. www.irwinchapel.com