Basic Details Surname Gordon Forenames Cosmo Lewis Duff 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) Herefordshire Regiment Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Herefordshire Regiment Rank / Title (Primary - Our reference) Lieutenant Secondary Service As stated on memorial Unit (Secondary - Stated) Machine Gun Corps Rank / Title (Secondary - Stated) Lieutenant Our references Service (Secondary - Our reference) British Army Unit (Secondary - Our reference) Machine Gun Corps Rank / Title (Secondary - Our reference) Lieutenant Death and Burial details Country of death France Town of death Guillemont Year of death 1916 Month of death September Day of death 3 Age at death 19 Manner of death as stated Killed in Action Manner of death reference Killed in Action Personal Details Occupation Not Stated on Memorial