She was preceded in death by her parents, Walter and Mattie Taylor, daughter, Terry Ann Gallaher, and her husband of 62 years, Bob Hickman.
She is survived by two daughters: Sherry Meek and her husband Danny Meek of Emory, Texas, and Vicky Downs and her husband Dan Downs of Plano, Texas.
Grandchildren: Shanna Harp and her husband Grant Harp of Allen, Texas, Shane Meek and his wife Jennifer Meek of Royse City, Texas, Shaun Meek and wife Megan Meek of Kingwood, Texas, Sammy Downs and his wife Alisha Downs of Sachse, Texas, and Jake Downs of Sachse, Texas.
Great grandchildren: Tanner and Ty Harp, Kenzi and Jillian Meek, Stone and Jade Meek, Brooklyn and Samona Downs.
In 1970, she began a long career as a Teacher's Aide in the Plano School District.
Mary was proud of her grandchildren and great grandchildren. She loved her flowers, crossword puzzles, Sonic Cokes, Almond Joy candy bars, and her pets!