He was married to Evelyn Burkett Williams of Shingler, Georgia. He worked mostly as a puddler and later as a shingler. His older brother Aaron Shingler is a Wales international rugby union player. In 2019 Tom May left and Steven Shingler took over as backs coach. Shingler played youth rugby for Hendy RFC. Head's mother Helen Shingler contributed the instrumental song "Mum's Song," where she plays the piano. Steven Shingler was born in Swansea, Wales and represented Wales Under-20's on fourteen occasions. Before turning to professional rugby, Shingler was a promising cricketer. In 2010, Shingler was selected for Wales' 2010 Commonwealth Games Sevens squad. Llanelli director of rugby Anthony Buchanan described Shingler as a kicker of "international standard".