The couple will be united in marriage on July 19 in a 6:30 p.m. ceremony at The Tennessee River Place in Chattanooga.
The bride-elect is the granddaughter of Don and Doris Epperson of Cleveland and the late Claude and Dorothy Baker. She is the sister of Clint Epperson of Chattanooga.
Miss Epperson is a graduate of the University of Tennessee at Knoxville. She is a business accounting major and is currently a staff accountant at Smartfurniture.com in Chattanooga.
Mr. Allison is the grandson of Chuck and Bev Siekman of Burlington, Iowa, and is the grandson of Dewayne Allison of Burlington and the late Joann Allison. He is the brother of Reed Allison, Landon Allison and Monica Allison, all of Cleveland.
He attended Tennessee Tech University in Cookeville and is currently employed with BNSF Railway in Flagstaff, Ariz.