Four academic journals are edited by members of the Institute:

  • Archivium Hibernicum, founded in 1912, is a history sources journal, appearing annually.
  • Irisleabhar Mhá Nuad is an annual journal of Irish studies, founded in 1898 as The Record of The League of St. Columba.  It is edited by Dr Tracey Ní Mhaonaigh​
  • Léachtaí Cholm Cille, founded in 1970, appears annually and publishes the proceedings of the conference of the same name. It presents the latest in Irish language literary and historical criticism.​
  • Maynooth Philosophical Papers, founded in 2002, presents research produced in the department of Philosophy and provides a forum for intellectual exchange on a broad range of philosophical topics. It appears annually.