Mary Jane A. Sommer, 85, of Peoria, passed away on Wednesday, November 4, 2026, at Goldwater Care of Peoria Heights. Born in Peoria, on June 10, 1941, she was the daughter of the late Grover C. and Bertha E. (Masters) Westapher. On May 7, 1966, she married John L. "Johnnie" Sommer in Peoria. He preceded her in death on November 27, 2006.
Surviving Mary Jane are two brothers, Bernard (Abby) Westapher of Hinsdale, IL, and Donald (Vickie) Westapher of Colorado Springs, CO; a sister-in-law, Donna Weir of Peoria; and several niece, nephews, great-nieces, and great-nephews.
Mary Jane completed her Associate's Degree from ICC. She began her career as a supervisor with the Peoria Telephone Answering Service and went on to retire from OSF St. Francis Medical Center in pre-registration, on February 1, 2006. She was a member of the ladies guild at St. Monica's Church, served as past president, and was a member of Senior Saints at OSF.
Visitation will take place on Monday, November 16, 2026, at St. Monica's Catholic Church, from 9:00 a.m. until the time of Mass at 10:00 a.m. Interment will follow at Hillcrest Memory Gardens. Memorial contributions can be made to St. Jude's Children's Research Hospital. Condolences and memories may be shared through RemmertFuneralHome.com