Age 84, of South Fayette, formerly of Clearfield, PA, suddenly on May 17, 2021. Beloved husband of the late Mary Sue (Osbourne) Knepp for 59 years; loving father of Michael Knepp and Karen Knepp; brother of James Knepp and Barbara Bodle; cherished grandfather of Nicole Knepp; also survived by his beloved dog Molly. Matthew served in the Army National Guard and as a Volunteer Fireman for North Fayette Volunteer Fire Department. He worked for 40 years as a draftsman at Dravo, and he enjoyed hunting and fishing. Matthew was a true animal lover. Services are private. Arrangements entrusted to the Warchol Funeral Home, Inc., Bridgeville (412.221.3333).