Mary Davidson married James 'Jabbo' Kenner in 1951. Their relationship provided her with support and companionship throughout her life. Together they cared for her family and created a stable home environment.

Mary Kenner was actively involved in her family and community. She provided support to her siblings and other family members, and she was known for her kindness and generosity. She volunteered at her church and assisted her community.

Mary Kenner died in Washington, D.C., at the age of 93. Although she did not receive widespread recognition for her inventions during her lifetime, her legacy as an innovative and resourceful African American woman continues to inspire generations.