Basic Details Surname Wallis Forenames William A Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Grenadier Guards Rank / Title (Primary - Our reference) Private Death and Burial details Country of death Belgium Cemetery Ypres (Menin Gate) Memorial Year of death 1917 Month of death July Day of death 31 Age at death 35 Manner of death as stated Killed in action Manner of death reference Killed in Action