European Researchers’ Night is an annual pan-European initiative of the European Commission held on the last Friday in September. In 2015, 1.1 million European citizens and 18,000 researchers took part in events organised in more than 300 cities within Europe and neighbouring countries. The objective of European Researchers’ Night is to encourage the wider public to visit research institutes, engage with researchers, and learn more about European research and potential career opportunities. In this paper, European Researchers’ Night in Ireland is considered through the lens of informal