Daughter of George Henry Cosper (or Casper), born South Carolina, and Martha Elizabeth Knopp (or Knapp), born Germany. She married George McKendrick Scott Garrison in 1835 at Cedartown, Georgia.
Children: James Henry Garrison Caleb Warner Garrison Edward Barto Garrison Elizabeth Jane Garrison Kelley/Barrett Sarah Ann Garrison Rainbolt Emily Harriet Garrison Ellis George Hampton Garrison Robert Franklin Garrison Mary Catherine Garrison Strong Nannie Chappell Garrison Lacey William Pierce Garrison Martha Caroline Garrison King Zadock Devereaux Garrison
Mrs. M. A. Garrison Nacogdoches , Tex. , July 23. – Mrs. M. A. Garrison died very suddenly today while on her way from church. She was 85 years of age and the mother of quite a large family. (Dallas Morning News, July 28, 1899)