| 'A seat improved entirely in the modern English taste': the history of Woodlawn Estate, 1550-1800 | Mercer, Bríd | Article in Journal | | 2011 |
| 'Full of the old Galway spirit': the O'Kellys of Creeraun and Cooloo [1]|The O'Kellys of Creeraun: a postscript [2] | Ó Cearbhaill, Diarmuid | Article in Journal | | 2009 |
| A remarkable Tyrone family : the Kellys of Anagasna Glebe; a memoir by a relative | Ó Conluain, Proinsias | Article in Journal | | 2001 |
| A Wicklow family | Byrne, Declan | Article in Journal | | 1993 |
| An O'Kelly deed | Egan, Patrick K. | Article in Journal | | 1961 |
| Anglicizing Tudor Connacht: The Expansion of English Rule in the Lordships of Clanrickard and Hy Many | Mannion, Joseph | Monograph or Collective Volume | Four Courts Press | 2024 |
| Bailieborough - and echoes from the Year of the French - a postscript | Barron, T. J. | Article in Journal | | 1980 |
| Barrow Starch Works 1842-1919, Tinnahinch | Joyce, John | Article in Journal | | 2007 |
| Book of Uí Mhaine : Codices Hibernenses Eximii III | NA | Monograph or Collective Volume | Royal Irish Academy | 2023 |
| Byrne and Kelly notes | Byrne, D. | Monograph or Collective Volume | The author | 1968 |
| Elizabethan County Galway | Mannion, Joseph | Article in Journal | | 2012 |
| From Laois to Kerry | Keane, Michael Christopher | Monograph or Collective Volume | | 2016 |
| Gailey Castle | Kerrigan, John | Article in Journal | | 1996 |
| Has anyone here seen Kelly? | O'Kelly, Joseph M. | Article in Journal | | 1996 |
| History of the name O'Kelly | Williams, James | Monograph or Collective Volume | Mercier Press | 1978 |
| Notes on the family of O'Kelly | Kelly, Richard J. | Article in Journal | | 1905 |
| Notes on the O’Kelly family | Kelly, E. Festus | Article in Journal | | 1934 |
| Origin of the surname O'Kelly, with a short history of the sept | Mathews, Anthony | Monograph or Collective Volume | Mathews | 1968 |
| Reconstructing the Lough Croan 'cenn áit' of the medieval Ó Cellaig lordship of Uí Maine | Curley, Daniel Patrick | Article in Journal | | 2020 |
| Some Gaelic quality | O'Horan, Patrick | Article in Journal | | 1948 |
| Some notes on the Drogheda families of Carroll, Clinton, McGovern & Skelly | Kennedy, Gerald Conen | Article in Journal | | 1998 |
| The 'Burned Store' of Drumbiggle | Ó Dálaigh, Brian | Article in Journal | | 2017 |
| The Bog Tenants of Oldconnell parish, Co. Kildare with a close look at the townland of Lattensbog | Delaney, Robert | Article in Journal | | 2013 |
| The Gallagh estate | Corless, Catherine | Article in Journal | | 2006 |
| The Kellys of the Tuam Herald | Beirne, Anne | Article in Journal | | 2012 |
| The Laois origins and continuing presence in Kerry of the Moores, Kellys, Dowlings, Lawlors, Dorans, Deevys or Dees and McEvoys | Keane, Michael Christopher | Article in Journal | | 2016 |
| The O'Daly/O'Kelly 'marriage stone' | Dillon, James N. | Article in Book | | 2000 |
| The O’Kellys of Gallagh, Counts of the Holy Roman Empire | Kelly, Richard J. | Article in Journal | | 1903 |
| The pedigree of Maria Anna O'Kelly, Countess of Marcolini | Trench, W. F. | Article in Journal | | 1905 |
| The tribes and customs of Hy-Many, commonly called O'Kelly's country | | Monograph or Collective Volume | Tower Books | 1976 |
| The tribes and customs of Hy-Many, commonly called O'Kelly's country | | Monograph or Collective Volume | | 1843 |
| The Uí Chellaig lords of Uí Maine and Tír Maine : an archaeological and landscape exploration of a later medieval inland Gaelic lordship | Curley, Daniel Patrick | Monograph or Collective Volume | Four Courts Press | 2024 |
| Uilliam Buide Ó Cellaig and the late medieval renaissance of the Uí Maine lordship | Curley, Daniel | Article in Book | | 2021 |
| William Buide O’Kelly and the late medieval renaissance of the Uí Maine lordship | Curley, Daniel | Article in Journal | | 2019 |