| 'A foot in both camps' : Charles O'Conor, print culture and the counter-public sphere | Gibbons, Luke | Article in Book | Four Courts Press | 2015 |
| 'A revolution in our moral and civil affairs' : Charles O'Conor and the creation of a community of scholars in late eighteenth-century Ireland | O'Halloran, Clare | Article in Book | Four Courts Press | 2015 |
| 'Down with the Paris farmer!' - Frank MacDermot and class politics in 1930s Roscommon | Varley, Tony | Article in Book | Geography Publications | 2018 |
| A reinterpretation of the earthworks at Baginbun, Co. Wexford | O'Conor, Kieran Denis | Article in Book | | 2003 |
| An architectural description of Moygara Castle | O'Conor, Kieran DenisSherlock, Rory | Article in Book | | 2023 |
| Anglo-Norman castles in County Laois | O'Conor, Kieran Denis | Article in Book | | 1999 |
| Anglo-Norman settlement in Co. Longford | O'Conor, Kieran DenisParker, Ciaran | Article in Book | | 2010 |
| Ballinagare Castle, Co. Roscommon | O'Conor, Kieran DenisWilliams, Jeremy | Article in Book | | 2015 |
| Castle of Carlow : who built and occupied the first castle here? | O'Conor, Kieran Denis | Article in Journal | | 1998 |
| Castle Studies in Ireland : the way forward | O'Conor, Kieran Denis | Article in Journal | | 2008 |
| Charles O'Conor of Ballinagare: life and works | | Monograph or Collective Volume | Four Courts Press | 2015 |
| Clonmacnoise castle | Manning, ConlethO'Conor, Kieran Denis | Article in Book | | 2003 |
| Crannóga in later medieval Ireland : continuity and change | O'Conor, Kieran Denis | Article in Book | | 2018 |
| Gaelic lordly settlement in 13th- and 14th- century Ireland | O'Conor, Kieran Denis | Article in Book | | 2005 |
| Housing in later medieval Gaelic Ireland | O'Conor, Kieran Denis | Article in Book | | 2002 |
| Introduction: Charles O'Conor of Ballinagare (1710-91) | Gibbons, LukeO'Conor, Kieran Denis | Article in Book | | 2015 |
| Irish earthwork castles | O'Conor, Kieran Denis | Article in Journal | | 1992 |
| Medieval Britain and Ireland in 2006 | | Article in Journal | | 2008 |
| Medieval Britain and Ireland in 2007 | Christie, NeilEgan, GeoffGaimstee, MäritLeahy, Kevin, 1946-Naylor, JohnO'Conor, Kieran DenisSherlock, Rory | Article in Journal | | 2008 |
| Medieval rural settlement in Munster | O'Conor, Kieran Denis | Article in Book | | 2004 |
| Medieval settlement in Leitrim, c.1169-c.1380 | Fredengren, ChristinaO'Conor, Kieran Denis | Article in Book | | 2019 |
| Medieval settlement in north Roscommon, c. 1200AD-c. 1350AD | Finan, ThomasO'Conor, Kieran Denis | Article in Book | | 2018 |
| Motte castles in Ireland : permanent fortresses, residences and manorial centres | O'Conor, Kieran Denis | Article in Journal | | 2000 |
| Moygara Castle through time | O'Conor, Kieran Denis | Article in Book | | 2023 |
| Moygara Castle, County Sligo, and the O'Garas of Coolavin | | Monograph or Collective Volume | Four Courts Press Ltd | 2023 |
| Moygara castle: a siting and map regression study | Foley, PhylO'Conor, Kieran Denis | Article in Book | NA | 2023 |
| Moygara Castle: the wider context | Kerrigan, Paul M.O'Conor, Kieran DenisSherlock, Rory | Article in Book | | 2023 |
| Rindoon castle, Co. Roscommon : an Anglo-Norman fortress on the western shores of Lough Ree | Naessens, PaulO'Conor, Kieran DenisSherlock, Rory | Article in Book | | 2015 |
| Rosclogher Castle: a Gaelic lordship centre on Lough Melvin, County Leitrim | McDermott, J.J.O'Conor, Kieran Denis | Article in Journal | | 2015 |
| Sligo Castle | O'Conor, Kieran Denis | Article in Book | | 2002 |
| Sligo history and society : interdisciplinary essays on the history of an Irish county | NA | Monograph or Collective Volume | Geography Publications | 2024 |
| Some new perspectives on Sligo Dominican priory | O'Conor, Kieran Denis | Article in Book | | 2024 |
| Temple House : from Templar castle to New English mansion | Naessens, PaulO'Conor, Kieran Denis | Article in Book | | 2015 |
| The archaeology of medieval rural settlement in Ireland | O'Conor, Kieran Denis | Monograph or Collective Volume | Royal Irish Academy | 1998 |
| The ethnicity of Irish moated sites | O'Conor, Kieran Denis | Article in Book | | 2000 |
| The later construction and use of motte and bailey castles in Ireland : new evidence from Leinster | O'Conor, Kieran Denis | Article in Journal | | 1991 |
| The later medieval usage of crannogs in Ireland | Brady, NiallO'Conor, Kieran Denis | Article in Book | | 2005 |
| The medieval castle in Ireland and Wales | | Monograph or Collective Volume | Four Courts | 2003 |
| The medieval harbour beside Rindoon castle, Co. Roscommon, Ireland | Naessens, PaulO'Conor, Kieran Denis | Article in Journal | | 2016 |
| The moated site at Clonfree, Co. Roscommon | Finan, TomO'Conor, Kieran Denis | Article in Journal | | 2002 |
| The morphology of Gaelic lordly sites in north Connacht | O'Conor, Kieran Denis | Article in Book | | 2001 |
| The origins of Carlow castle | O'Conor, Kieran Denis | Article in Journal | | 1997 |
| The Rock of Lough Cé, Co. Roscommon | Brady, Niall,Connon, Anne,Fidalgo-Romo, Carlos,O'Conor, Kieran Denis | Article in Book | | 2010 |