Don Threadgold, age 73 of Sioux Falls, died on Sunday, Nov. 21, 2021, at his home of natural causes. A mass of Christian Burial will be at 10:30 a.m. on Saturday, Nov. 27 at St. Agatha Catholic Church in Howard. Burial will follow at Mt. Pleasant Cemetery in Artesian. Visitation will be 3-5 p.m. on Friday at St. Catherine Drexel Catholic Church in Sioux Falls with a prayer service at 5 p.m.