Basic Details Surname O'Brien Forenames J M Gender Not stated on memorial Information stated on memorial War Second World War (1939-1945) Served or died Died Notes https://www.cwgc.org/find-records/find-war-dead/casualty-details/2815874/john-matthew-o-brien/ Primary Service As stated on memorial Unit (Primary - Stated) NZA Rank / Title (Primary - Stated) Gnr Our References Unit (Primary - Our reference) New Zealand Artillery Rank / Title (Primary - Our reference) Gunner Death and Burial details Age at death 22