Mary Mills, a lifelong Williamson County resident, has committed her life to positively impacting the community through her many contributions to education, political leadership, church, historic preservation and tourism, economic development and healthcare. Mills spent 39 years in the education field serving as a teacher and as a principal. After retiring from the school system, Mills served her community as Williamson County Commissioner for 17 years. She is an active member of Shorter Chapel African Methodist Episcopal Church. Mills is one of the founders of the African American Heritage Society, helping preserve and establish the first and only African American museum in Williamson County. She has also been affiliated with the Williamson County Chamber of Commerce, Williamson Medical Center and the Williamson County Health Council.