Louis John Pfeiffer (72) passed away peacefully on June 14, 2021. He was the son of the late Leslie and Grace (Dolciamore) Pfeiffer; husband of Kathleen (Bachmura) Pfeiffer; father of Jaclyn (Kurt) Kuechenmeister, Keith Pfeiffer, and Michelle Wells; grandfather of Reagan and Michael; brother of Julia, the late Edward, Janet, and Joseph (Mischelle); uncle to many nieces and nephews. He is loved and will be missed by many. A gathering of family and friends will be held on Friday, June 18, 2021, 3:00 p.m. to 7:00 p.m. at DUNN FAMILY FUNERAL HOME with CREMATORY, 1801 S. Douglas Road, Oswego, IL 60543. For information: 630/554-3888 or www.dunnfamilyfuneralhome.com