CAVE-IN-ROCK, IL - William D.Casper Sr. died Monday April 6, 2020 at his home. Born as William D. Clevenger on October 24, 1946. Mr. Casper is survived by his daughter, Danielle M. Casper of Baltimore, MD, Nicole L. Hufham and his son-in-law Eric, of Naples, FL; his son William D. Casper, Jr. and his daughter-in-law, Laura of Dundalk, MD; grandchildren, Robert Crusse III, Ryan Crusse and Joshua Crusse of Sparrows Point, MD and Breanna Casper and Crystal Sauers of Dundalk, MD and great-grandson Noah Casper. He is also survied by his sister Pamela Burris (Casper) and brother-in-law, Larry Burris of Utah. He will also be greatly missed by his good friend, John Jenkins. He was preceded in death by his parents, Norma J. Casper and Willard Clevenger and also raised by Edward J. Casper. A private memorial service will be held. Per his wishes. Mr. William D. Casper Sr. will be cremated. Cremation services will be provided through Hardin County Funeral Service in Rosiclare, IL.