Basic Details Surname Cairns Forenames William K Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) Black Watch Sub-unit (Primary - Stated) 1/6th Rank / Title (Primary - Stated) Pte Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Black Watch (Royal Highlanders) Rank / Title (Primary - Our reference) Private Secondary Service As stated on memorial Service (Secondary - Stated) Army Rank / Title (Secondary - Stated) CSM Our references Service (Secondary - Our reference) British Army Rank / Title (Secondary - Our reference) Company Sergeant Major