Basic Details Surname Keir Forenames David L Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) Royal Engineers Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Engineers Death and Burial details Year of death 1917 Month of death September Day of death 21 Manner of death as stated Killed in action Manner of death reference Killed in Action