She was born in Coalmont to Jesse H. Clark and Mary Elizabeth Reddy Clark
She attended Coalmont High School. Mary was active with the Salvation Army of Linton. She was a member of the Coalmont Church of God and worked for Keller's Aluminum for 15 years and Good Samaritan Nursing Center in Jasonville for six years. She enjoyed going to yard sales, sewing and stitching.
She is survived by her husband, Donald W. Willis of Coalmont; sisters, Eleanor Norris of Terre Haute, Ernestine Burton of De Motte, Jardine Kiger of Terre Haute, Brenda Clark of Coalmont; and a brother, Billy Bob Clark of Coalmont.
She was preceded in death by her parents, Jesse H. and Mary Elizabeth Clark; five sisters; and two brothers
Visitation will be 4-8 p.m. Monday and 9 a.m. until service time Tuesday at McClanahan-Lee Funeral Home in Jasonville.
Service will be at 1 p.m. Tuesday at the funeral home.
Burial will be in Friendly Grove Cemetery.