He was born to Elsie and Bill Landreth Sr. on September 18, 1947 in Guymon, Oklahoma. He graduated Guymon High School in 1966. He furthered his education with a degree in Business Administration from Panhandle State University.
Bill was preceded in death by parents, Bill and Elsie Landreth and his eldest grandchild, Matthew Fleener.
He is survived by his brother, Mike Landreth, his three children and their spouses, Julie and Jack Henander, Teresa and James Higley and Scott and Sarah Landreth. He has seven grandchildren surviving him; James and Claire Henander, Abigail Fleener, Hope Higley, and Ava, Jack and Charlie Landreth.
Graveside services will be held on Friday, May 14, 2021 at Olinger Crown Hill Cemetery in Wheat Ridge, Colorado.