Nyla Nell Thornton, 79, of Sioux Falls, SD, passed away on December 28, 2021, at Ava’s House in Sioux Falls, SD. A memorial service was held on December 31, 2021, at George Boom Funeral Home in Sioux Falls. An inurnment service will be held in her honor on Saturday, June 25 at 11 a.m. at Prospect Hill Cemetery. Lunch will follow at the Springs Inn Café; friends and family are welcome.