Basic Details Surname Tibbles Forenames Joseph M Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 202113 Primary Service As stated on memorial Unit (Primary - Stated) Invincible Rank / Title (Primary - Stated) P.O. Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Invincible Rank / Title (Primary - Our reference) Petty Officer Death and Burial details Year of death 1916 Month of death May Day of death 31