Mary Lee Barker, 72, of White Oak, passed away Saturday, October 26, 2019. She was born November 15, 1946 in McKeesport and was the daughter of the late Ralph and Roberta (Dunlap) Johnston. She was a member of Kingdom Hall of Jehovah's Witnesses McKeesport Congregation. Prior to raising her family, Mary Lee had worked for the former People's National Bank. She is survived by her husband, Charles "Chuck" Barker, daughter, Colleen (Richard Hinch) of Penn Township, sister, Judy (Gene) Uhlig of Florida, nieces, nephews and her Spiritual Sisters, Debra Majercik, Nancy Gribble and Angie Blake. She was preceded in death by her son, David Charles Barker who passed away December 8, 2015, brother, Ralph "Butch" Johnston and sisters, Barbara "Babs" Campbell and Sandra M. Sopko. Friends are welcome Tuesday, October 29, 2019 from 2-4 and 6-8 pm at the Gilbert Funeral Home and Crematory, Inc., 1638 Lincoln Way, White Oak. (412) 672-6322 Troy J. Gilbert, director. Service will be held in the funeral home chapel Wednesday, October 30, 2019 at 10 am. Private inurnment will be in the Garden Mausoleum at Mount Vernon Cemetery, Elizabeth Township. Condolences may be made at Gilbertfuneralhomeandcrematory.com