Mary Lillian Cook Eaton, 77, of Murfreesboro, died Monday, May 14, at Middle Tennessee Medical Center.A native of Clarinda, Iowa, she was the daughter of the late Oliver and Agnes Tilley Cook. She was preceded in death by her husband William Eaton, who died in 1995. Mrs. Eaton was a member of Central Christian Church and The Charity Circle of Murfreesboro.