Mrs. Mary Lou Zimmerman, age 71 of Big Sandy, TN passed away Friday, April 6, 2018 at her residence. Mrs. Zimmerman was born in Fort Wayne, IN on December 23, 1946. She was preceded in death by her parents, Ralph Lockridge and Mary Keller and her daughter, Twilla Tracy.The family chose cremationSurvivors include:Sons: Donald Shannon Warren ShannonDaughter: Wanda Shannon