Marcia was born to Judge Sidney Johnston Gray and Ina Chason Gray. She grew up in Mobile with her two brothers, Dr. Sidney Johnston Gray, Jr. and Captain John Chason Gray.
She married Robert Machel Weinacker, Jr. in 1952 and they had nine children: Marcia Weinacker Grayson, Dr. Robert Machel Weinacker III, Dr. Gerard Gray Weinacker, Sidney Gray Weinacker, James Paul Weinacker, Mary Weinacker Hale, Sue Weinacker Gunn, Peggy Weinacker Piggott (Scott), and John Paul Bryant Weinacker. She has 33 grandchildren and 14 great grandchildren, among them Millie and Charlie Piggott. She was preceded in death by her parents, her husband, her son-in-law, Dr. Terry Hale, and her granddaughter, Mary Catherine Grayson.
Aside from being a wonderful Mother and grandmother to all, Marcia was a sports enthusiast along with her husband Bob. She was both a player and coach of youth and adult basketball teams. She held multiple state championships in tennis, including singles, women’s doubles and mixed-doubles. For her State title in 2000, she was 72 years old. She was inducted into the Alabama Tennis Hall of Fame. As well as teaching all her children to play tennis, she also devoted time to teaching other children citywide to play, often buying them racquets.
After her husband died, Marcia acquired additional land and re-built his longtime family business, Weinacker’s Shopping Center in Mobile. She started the first Montessori school in Mobile and was instrumental in the Head Start educational program for underpriviliged kids. She was a member of Delta Delta Delta sorority at the University of Alabama and served as the national field agent in 1951. She was a dedicated Junior League of Mobile volunteer, eventually holding the office of President. She was a Debutant in the Mobile Carnival Association in 1950 and led the KOR Ball that year. She was a devoted member of the Catholic Church and a longtime member of St. Mary’s Parish.