Basic Details Surname Theodore-Smith Forenames Dennis 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) Royal Engineers Rank / Title (Primary - Our reference) Second Lieutenant Death and Burial details Country of death France Country of burial France Town of burial Armentieres Cemetery Cite Bonjean Military Cemetery Year of death 1915 Month of death August Day of death 30 Age at death 18 Manner of death as stated Unknown