He was born Aug. 12, 1936, in Kinmundy, the son of Lowell Charles and Mildred Rose (Shaffer) Diss. He married Judy Lakes July 27, 2958, at Kinmundy Christian Church, and she survives in Alma.
In addition to his wife, Leon is survived by sons Kevin Diss and wife Cheri, of Alma, and Jeff Diss and friend Denise Meyer, of Centralia; daughter Kathy Bainbridge, of Alma; eight grandchildren; and seven great-grandchildren.
He was preceded in death by his parents; and brothers Lowell Diss Jr., Darrell Diss, Jim Diss, and Larry Diss.
Leon was a partner with his brother in Diss Trucking and was a member of Kinmundy Christian Church.
Funeral services are scheduled for 11 a.m. Saturday at Neal Funeral Home in Kinmundy, with Brother Dale Hunt officiating. Burial will follow in Gray Cemetery in rural Kinmundy.
Visitation will be from 9 until 11 a.m. at Neal Funeral Home in Kinmundy.
Memorials may be made to Kinmundy Christian Church.
Online condolences may be made at jwnealfuneralhome.net.