Dorothy Olson, 90 of Aberdeen, SD formerly of Ellendale, ND died August 2, 2011 at ManorCare Health Services, Aberdeen. The funeral service is 10am Friday August 5 at Zion Lutheran Church, Ellendale with Pastor Tyson Labuhn officiating. Visitation is 2-8pm Thursday with a prayer service at 7pm at Hoven Funeral Chapel, Ellendale. Burial is at Ellendale City Cemetery. Arrangements by Hoven Funeral Chapel.