Kolleen R. Giandonato (nee Busse), 73 of St. Charles was born December 31, 1946 in Elmhurst to Chester and Geneva (Neilsen) Busse and passed away September 1, 2020. Kolleen was the loving mother of Scott, Michael and Nicholas Giandonato; cherished grandmother of Ethan Giandonato and dear sister of Linda (Rick) Mignano and Chester (Dawn) Busse. Graveside service will be held on Wednesday, September 16, 2020 at 4:00 PM at St. Paul Cemetery in Mt. Prospect. In lieu of flowers, contributions to the Kolleen Giandonato Memorial Fund c/o Lauterburg & Oehler Funeral, 2000 E. Northwest Highway, Arlington Heights, IL 60004.