Karen Sue Gathercoal, 78, of Poplar Grove, IL passed away on Saturday, April 24, 2021 at her home with her family by her side. Daughter of the late Gerald and Lorraine (Thull) Hundrieser, she was born on Wednesday, May 13, 1942 in Chicago, IL. She married the love of her life, David Gathercoal on Tuesday, December 30, 1958 in Glenview, IL. Karen is loved and will be deeply missed by her beloved husband, David; sons, James (Donna) Gathercoal, David Gathercoal Jr.; daughters, Susan (Bryan) Brockman, Sharon (Samuel) Ochoa; Betty (Fernando Rueda) Gathercoal; 18 grandchildren; 19 great grandchildren. She was preceded in death by her son, Richard Gathercoal; grandchildren, Samuel Ochoa Jr., Brianne Karen Gathercoal; brother, Gerald Hundrieser. There will be a visitation on Tuesday, May 4, 2021 from 5:00 P.M. to 7:00 P.M. at Belvidere Funeral Home & Cremation Service in Belvidere, IL. There will be a funeral mass beginning at 10:00 A.M. on Wednesday, May 5, 2021 at St. James Catholic Church in Belvidere, IL. Interment will take place at All Saints Catholic Cemetery in Des Plaines, IL at 12:00 P.M. A memorial fund has been established in the family’s name.