The couple will be united in marriage on Sept. 13 in a 6 p.m. ceremony at the Historic Fillauer Lake House in Cleveland.
The bride-elect is the granddaughter of Marjorie Daasch of Cleveland, the late Robert Daasch and Forrest and Jan Spires of Portsmouth, Ohio. She is the sister of Ben Spires of Memphis.
Miss Spires is a graduate of Carson-Newman College. She is a registered nurse at the Oklahoma University Medical Center.
Mr. Wallis is the grandson of Robert and Peggy Meyer of Cleveland, and the late Earl and Charlene Wallis. He is the brother of Audra Wallis of Logan, Utah.
He attended the University of Tennessee at Knoxville and is a captain in the U.S. Air Force.