Mary was born on September 28, 1940, to William and Mildred Bryant. She had two brothers, George and Lloyd, and two sisters, Linda and Wilma.

She married the love of her life, John Wallace, in October 1958. Together they had three children: Janet, Kathy, and David. After John's passing, she married Charles Jeffers, and they had one son, Steven.

She later married Thomas Brock and remained married to him until his death in March 2005.

Mary was blessed with four children, fifteen grandchildren, and nineteen great-grandchildren.

She passed away on July 25, 2026, in Sutherlin, Oregon.

Mary was preceded in death by her parents, William and Mildred; her brothers, George and Lloyd; her sister, Wilma; her husband, John Wallace; her husband, Thomas Brock; and her great-grandson, Jeray.

She enjoyed crocheting, coloring, playing games, shopping, going out to lunch, and spending time with her sister making Christmas cookies and candy.

Mary loved attending church and participating in ladies Prayer Meeting and lunch. She also volunteered for Hospice