Basic Details Surname Costen Forenames A L Gender Not stated on memorial Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) Rifle Brigade Sub-unit (Primary - Stated) 16th Batt Our References Unit (Primary - Our reference) Rifle Brigade Death and Burial details Year of death 1921 Month of death September Day of death 15