O'Callaghan, John https://kb.virtualtreasury.ie/normalized-appellation-surname-forename/OCallaghan_John an entity of type: E41_Appellation rdfs:label O'Callaghan, John crm:P2_has_type vrti:Name rdf:type crm:E41_Appellation crm:E81_Actor_Appellation data from the linked data cloud