Memorials may be given to Juvenile Diabetes Foundation at any of the Baue Funeral Home locations. Dear husband of Shirlee Mercer; son of the late Charles and Alice Mercer; father of Charles Len Mercer (Suzanne) and Cynthia Jones; dear brother of Bertha Madison, Delores Runzi, Wanda East, and the late Milford Mercer; grandfather of Kristen, Courtney and Kyle Huber, Kaylen and Cody Jones, and Jenna Mercer. Mr. Mercer spent 30 years with the Rockwood School District and was Past-Principal at Ballwin Elementary School. He was a member of First Baptist Church of Harvester and was a graduate of University of Central Arkansas. He attended UMSL and SIU Carbondale (graduate work) Veteran of the U.S. Navy, serving from January 18, 1952 to December 15, 1955.