Basic Details Surname Dean Forenames Francis William 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) HMS Indefatigable Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Indefatigable Death and Burial details Year of death 1916 Month of death May Day of death 31 Age at death 39 Manner of death as stated killed in action Manner of death reference Killed in Action