Debra Dee Ackerman, 58, Lincoln, passed away at 7:30 a.m. Tuesday (May 15, 2012) at her home. A memorial service will be at 1:30 p.m. June 2 at Fricke-Calvert-Schrader Funeral Home, Lincoln. Memorials may be made to Dewitt County 4-H or Springfield Memorial Home Services Hospice.