Basic Details Surname Mayall Forenames Joseph Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Sub-unit (Primary - Stated) HMS Bittern Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Bittern Death and Burial details Year of death 1918 Month of death April Day of death 4 Age at death 24 Manner of death as stated lost at sea Manner of death reference Killed in Action