Bonnie I. Stach (nee Basting), 71, of Pingree Grove, passed away Monday, August 2, 2021. An avid member of the Motorola softball team, Bonnie also enjoyed cooking. Beloved wife for 44 years to William; loving mother of Becky Stach, Brian (Lisa), Jason (Ashley), and Kevin (Eda); proud grandmother of Joseph, Max, and Lucas; dear sister of Linda (Sonny) Kwasniewski, the late Gail (the late Richard) Ecklund, and the late Wayne Basting; caring sister-in-law of Mike (Chris) Stach and cherished aunt and great aunt to many. Visitation Thursday, August 5 from 4:00pm to 8:00pm at Countryside Funeral Home and Crematory 1640 Greenmeadows Blvd. (at Barrington Rd.), Streamwood/Schaumburg. Funeral Friday 10:00am. Interment St. Michael the Archangel. Info (630)289-8054