Maryann Spencer (née Knorr), 78, of O’Fallon, IL, was born February 26, 1948, in New Castle, PA, and passed away on Wednesday, October 21, 2026, at Cedar Ridge in Lebanon, IL.
Maryann was a devoted Catholic and cherished her time attending Mass at St. Clare of Assisi Catholic Church. Above all, Maryann treasured her family. She beamed with pride when speaking of her children and grandchildren and took great joy in being a dedicated aunt to her nieces and nephews. Her love for her family and the relationships she built with those around her will be remembered by all who knew her.
Maryann excelled in her work and built a career defined by dedication and service. In New Castle, PA, she worked as a foreman at Shenango China Company, where she developed a strong reputation for her work ethic and made many lifelong friends. After moving to Illinois, Maryann continued her education at Belleville Area College, earning her associate degree before beginning a new career as a medical assistant. She spent 20 years working at the Oncology Care Center in Swansea, IL, where she continued to demonstrate the compassion, dedication, and pride that defined her working life.
A lifelong Pittsburgh sports fan, Maryann especially enjoyed watching the Steelers and proudly followed her favorite Pittsburgh teams. Her love of Pittsburgh remained a special connection to her hometown and the place where she began her life.
Maryann was preceded in death by her parents, John and Anna Knorr (née DeLeon); her niece, Danielle Stalnecker; and her granddaughter, Rian Fix.
She is survived by her children, Gerald (Jessica) Spencer of Shiloh, IL, and Jacqulyn Nagel of Troy, IL; stepchildren, Marie (Randy) Moore of Addieville, IL, and Margaret (Erich) Fix of Michigan; siblings, Patricia Mancino of New Castle, PA, John “Jack” (Maryanne) Knorr of New Castle, PA, and Pamela (Dennis) Dessormeau of Tennessee; and six grandchildren, Hayden, Russell, William, Benjamin, Tyne, and Alex, along with many nieces, nephews, extended family members, and friends.
Memorials may be made in Maryann’s name to St. Clare of Assisi Catholic Church. https://stclarechurch.org/donate. Online condolences may be shared with the family at www.schildknechtfh.com.
A memorial visitation will be held Friday, November 6, 2026, from 4:00 p.m. - 6:00 p.m. at Schildknecht Funeral Home; 301 S. Lincoln Ave., O’Fallon, IL 62269.
A Funeral Mass will be held at St. Mary’s Catholic Church in New Castle, PA, with burial to follow at St. Vitus Cemetery in New Castle, PA. The date and time of the Funeral Mass will be announced when finalized.
Arrangements have been entrusted to Schildknecht Funeral Home.