Basic Details Surname O'Sullivan Forenames Arthur Moore Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Royal Irish Rifles Rank / Title (Primary - Stated) Captain Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Royal Irish Rifles Rank / Title (Primary - Our reference) Captain Death and Burial details Country of death France Year of death 1915 Age at death 36 Manner of death as stated Killed In Action Manner of death reference Killed in Action