Jack Lee Preston, age 47, of Plano, Texas, passed away January 10, 2012. His parents were Mark and Jean Preston. He married Nancy Baker on December 19, 1987, in Garland, Texas. Jack worked for Securus Technologies for twelve years. He was a Quarter Master for Boy Scout Troop #261. Jack proudly served in the United States Air Force. He is survived by his wife, Nancy Preston of Plano, Texas; sons, Will Preston and John Preston, both of Plano, Texas; and sister, Lori Ward of Elkhart, Indiana. He was preceded in death by his parents. A memorial service will be held at 11:00 a.m., Saturday, January 14, 2011, at Christ United Methodist Church in Plano, Texas with Rev. Bart Smith officiating. The family will receive friends during a visitation from 6:00 – 8:00 p.m., Friday evening at Turrentine-Jackson-Morrow Funeral Home in Allen, Texas. Memorial donations may be made to the SPCA of McKinney, Texas.