Mary Ellen Slough was born November 2, 1946 in Joplin, MO to Margarite and Richard Piersing. She is survived by her only daughter, Kristen and her husband Richard Walton. She has two grandchildren, Micah and Selah, who are left to remember their Nana who loved them more than any words could say. She is also survived by her dear sister Jeanne Federico of Wichita, KS. She was adopted later in life by Patricia Treachler. Memorial services will be 7:00 pm Tuesday May 5, 2015 at Angelo Bible Church with Pastor Jim Stanley officiating. Arrangements are under the direction of Robert Massie Funeral Home. The family would like to thank the staff of Shannon Medical Center, including Dr. Bethil, all the staff of 4 South, and all of the staff of Hospice of San Angelo. In lieu of flowers, please consider a donation to Cornerstone Christian School Scholarship Fund or a charity of your choice. "And then one day, I'll cross the river. I'll fight life's final war with pain. And then as death gives way to victory, I'll see the light of Glory and I'll know He lives." Mary's obituary and online guest book may be viewed online at robertmassie.com.