Basic Details Surname Tannahill Forenames John S Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Notes was wounded Primary Service As stated on memorial Service (Primary - Stated) Commonwealth Unit (Primary - Stated) Canadian Forces Sub-unit (Primary - Stated) 2nd Battalion Rank / Title (Primary - Stated) Colonel Our References Service (Primary - Our reference) Commonwealth Armed Forces Rank / Title (Primary - Our reference) Colonel Death and Burial details Manner of death reference Other