The engagement of Olivia Renee Davidson and Mitchell Hayes Parton is announced today. The future bride is the daughter of Tom and Dena Davidson of Maryville, Tenn. The future bridegroom is the son of Carolyn Parton of Maryville. The wedding is planned for Saturday, July 16, at Monte Vista Baptist Church in Maryville. The bride-elect is the granddaughter of Marvin and Carol Davidson of Boynton Beach, Fla., and Sam and Barbara Tate of Knoxville. Miss Davidson is pursuing a bachelor?s degree in elementary education at the University of Tennessee at Chattanooga. She is a member of Calvary Chapel aid is employed by St. John?s Meeting Place. The future bridegroom is the grandson of the late Homer and Wonda Parton. Mr. Parton is pursuing a bachelor?s degree in psychology at UTC. He is a member of Calvary Chapel and is employed by Lowe?s Home Improvement.