Mary Ellen Staum, 80, passed away on Thursday, February 15, 2024 at Unity Point – St. Luke’s in Sioux City, IA.A funeral service was held at 11 a.m on Monday, Feb. 19, 2024 at Immanuel Lutheran Church with Pastor Erik Olson officiating. Burial took place immediately following the service at Elk Point Cemetery in Elk Point.Mary Ellen Staum was born May 6, 1943 at her home in rural Elk Point to…