Basic Details Surname Mason Forenames Thomas Henry Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes Commemorated on the Plymouth Naval Memorial, Devon, England. Primary Service As stated on memorial Unit (Primary - Stated) ROYAL NAVY Sub-unit (Primary - Stated) H. M. T. B. No.22 Rank / Title (Primary - Stated) Able Seaman Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Able Seaman