Basic Details Surname Birtwistle Forenames Calmont Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Rank / Title (Primary - Stated) Pte Our References Service (Primary - Our reference) British Army Rank / Title (Primary - Our reference) Private Death and Burial details Country of death France Country of burial France Cemetery Duisans British Cemetery Year of death 1918 Month of death January Day of death 16 Age at death 23 Manner of death as stated Killed Manner of death reference Killed in Action