Basic Details Surname Grierson Forenames William Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes CWGC confirms his true rank. Primary Service As stated on memorial Service (Primary - Stated) Navy Rank / Title (Primary - Stated) PTE Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Volunteer Reserve Rank / Title (Primary - Our reference) Signalman