Basic Details Surname Dean Forenames Hartley 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) R.N.V.R. Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Volunteer Reserve Death and Burial details Year of death 1917 Month of death July Day of death 9 Age at death 21 Manner of death as stated Lost at sea Manner of death reference Missing