Basic Details Surname O'Sullivan Forenames A M Gender Male Information stated on memorial Alternative forename Arthur Moore War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) R Ir Rif Rank / Title (Primary - Stated) Capt 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 Town of death Fromelles Year of death 1915 Month of death May Day of death 9 Manner of death reference Killed in Action Personal Details Occupation Not Stated on Memorial