Basic Details Surname Hay Forenames Harold Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) East Yorkshire Regiment Sub-unit (Primary - Stated) 7th Battalion Rank / Title (Primary - Stated) Second Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) East Yorkshire Regiment Rank / Title (Primary - Our reference) Second Lieutenant Death and Burial details Year of death 1918 Month of death September Day of death 11 Age at death 23 Manner of death as stated Killed In Action Manner of death reference Killed in Action