Basic Details Surname Wallis Forenames Mark Hollow Gender Male Information stated on memorial Alternative forename Willie War First World War (1914-1918) Served or died Died Service number 3254C Primary Service As stated on memorial Unit (Primary - Stated) ROYAL NAVY Rank / Title (Primary - Stated) AB Seaman Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Able Seaman Death and Burial details Year of death 1915 Month of death May Day of death 13 Age at death 31 Manner of death as stated Killed in Action