Sgt. Kay was serving with 65 Sqdn. He flew Spitfire IIa P7697 and failed to return after fighting with Me 109s.
Royal Air Force Fighter Command Losses of the Second World War: Volume I: Operational Losses: Aircraft and Crews 1939-1941 Norman L.R. Franks; 1997; Midland Publishing; ISBN 1 85780 055 9.
William Kay is remembered in Heaton Grammar School H91.02 and Byker B95.07