She was born in Lufkin, Texas on August 16, 1937 to Audrey Lee Donahoe and Ethel Gladys (Lee) Donahoe. She was married to Charles Moore for 42 years. Mary Ann was a homemaker. She was a long time member of First United Methodist Church of Pearland and had a passion for her family.
Mary was preceded in death by her husband, Charles Moore.
She is survived by her daughter and son-in-law, Sherry and Larry Barr, son and daughter-in-law Glenn and Sheryl Moore, granddaughters Lindsey Taylor, Rachel Rivera, Amber Moore, Kelsey Sharp, Paige Moore, grandsons-in-law Jim Taylor, Ramón Rivera, great-grandchildren Petra Rivera, Bobby Taylor, Katy Taylor, and Mila Rivera.