Basic Details Surname Mayne Forenames William Constantine 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) Commonwealth Unit (Primary - Stated) Australian Mining And Boring Company Sub-unit (Primary - Stated) 3rd Battalion Rank / Title (Primary - Stated) SERGEANT Our References Service (Primary - Our reference) Commonwealth Armed Forces Unit (Primary - Our reference) Australian Mining And Boring Company Rank / Title (Primary - Our reference) Sergeant Death and Burial details Country of death France Year of death 1917 Manner of death as stated Unknown