| Castles and deer parks in Anglo-Norman Ireland | Murphy, MargaretO'Connor, Kieran | Article in Journal | | 2006 |
| Dunamase Castle | O'Connor, Kieran | Article in Journal | | 1996 |
| English settlement and change in Roscommon during the late sixteenth and seventeenth centuries | O'Connor, Kieran | Article in Book | | 2007 |
| Into the West : a survey and reassessment of the two most westerly archaeological sites in Europe | Buckley, Victor M.Condit, TomO'Connor, Kieran | Article in Book | | 2007 |
| John Bradley's research on Anglo-Norman Ireland | O'Connor, Kieran | Article in Journal | | 2016 |
| Medieval Britain and Ireland in 2004 | Gaimster, MäritGeake, HelenJames, Tom BeaumontO'Connor, KieranSherlock, Rory | Article in Journal | | 2005 |
| Medieval Britain and Ireland in 2005 | Gaimster, MäritGeake, HelenJames, Tom BeaumontO'Connor, KieranSherlock, Rory | Article in Journal | | 2006 |
| Medieval Britain and Ireland in 2009 | | Article in Journal | | 2013 |
| Medieval Britain and Ireland in 2010 | | Article in Journal | | 2013 |
| Pre-norman fortification in eleventh-and twelfth-century Connacht | Naessens, PaulO'Connor, Kieran | Article in Journal | | 2012 |
| Roscommon history and society : interdisciplinary essays on the history of an Irish county | | Monograph or Collective Volume | Geography Publications | 2018 |
| Settlement in Gaelic Ireland, 1100-1350 | O'Connor, Kieran | Article in Journal | | 2021 |
| The archaeology of medieval rural settlement in Ireland | O'Connor, Kieran Denis | Monograph or Collective Volume | Royal Irish Academy | 1998 |
| The later medieval usage of crannogs in Ireland | Brady, NiallO'Connor, Kieran Denis | Article in Book | | 2005 |
| The motte-and-bailey castle at Lissardowlan, Co. Longford | De Meulemeester, J.O'Connor, Kieran | Article in Book | | 2007 |
| Tulsk Abbey | Keegan, MarkO'Connor, KieranTiernan, Padraig | Article in Journal | | 1996 |