Basic Details Surname O'Neill Forenames William Patrick Heremon Gender unknown Information stated on memorial War Second World War (1939-1945) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) RAF Rank / Title (Primary - Stated) Flt Sergt Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Unit (Primary - Our reference) Royal Field Artillery Rank / Title (Primary - Our reference) Flight Sergeant