| "In the mind's eye" - Francis MacManus and Kilkenny | Nolan, William | Article in Book | Kilkenny Archaeological Society | 1997 |
| "Instruments of the passion" on some Kilkenny headstones | De hÓir, Siobhán | Article in Book | Kilkenny Archaeological Society | 1997 |
| "The blind girl at the holy well" : a triology of picture | Johnston, Mairead M. | Article in Book | Kilkenny Archaeological Society | 1997 |
| A Bernard Scalé map of the townlands of Ballygub and Clonamery, Inistioge, county Kilkenny | Kirwan, John | Article in Journal | | 1995 |
| A family settlement - a family row: The history of the inheritance of Lady Susan Frances Anne Wandesforde, Countess of Ormond and Ossory | Kirwan, John | Article in Journal | | 2016 |
| A portrait of James Butler 9th Earl of Ormond | Kirwan, John | Article in Journal | | 1994 |
| A tale of two portraits of Lady Iveagh, otherwise Mrs Thomas Butler of Kilcash | Kirwan, John | Article in Journal | | 2014 |
| A talented cartoonist : Monsignor Martin Drea (1888-1965) | Kirwan, John | Article in Journal | | 2006 |
| Baroness Pauline Procházka, 1843-1930. A Kilkenny watercolourist | Kirwan, John | Article in Journal | | 2009 |
| Kilkenny : studies in honour of Margaret M. Phelan | | Monograph or Collective Volume | Kilkenny Archaeological Society | 1997 |
| Kilkenny families in the Great War | Brannigan, Niall R.Kirwan, John | Monograph or Collective Volume | OLL Editions | 2012 |
| Kilkenny voices from the Western Front : Being the memoir of Private Anthony Brennan. The diary of the Reverend Edward Dowling, Chaplain, and the letters of Lieutenant Christopher Prior-Wandesforde. | NA | Monograph or Collective Volume | John Kerwin, The Mermaid Gallery Inistioge | 2021 |
| Lady Joan Fitzgerald, Countess of Ormond, Ossory and Desmond | Kirwan, John | Article in Journal | | 2000 |
| Miscellanea 2 : Patrick Mackey land surveyor and poet | Kirwan, John | Article in Journal | | 2008 |
| Miscellanea. 2. Mrs Tighe's School in Inistioge, January 1788 | Doyle, JosephKirwan, John | Article in Journal | | 2010 |
| Mount Juliet | Kirwan, John | Article in Journal | | 1998 |
| Obituary. Maura Toler-Aylward, 1932-2003 | Kirwan, John | Article in Journal | | 2003 |
| Pompeo Batoni and his Kilkenny sitters | Kirwan, John | Article in Journal | | 1999 |
| Some views of Ballylinch Castle, Thomastown | Kirwan, John | Article in Journal | | 2006 |
| Somerset Arthur Butler, 5th earl of Carrick, of Mount Juliet. Marguerite Solly-Flood's 'reclusive earl' | KIrwan, John | Article in Journal | | 2014 |
| The Chief Butlers of Ireland and the House of Ormond : an illustrated genealogical guide | Kirwan, John | Monograph or Collective Volume | Irish Academic Press | 2018 |
| The Chief Butlers of Ireland and the House of Ormond: An Illustrated Genealogical Guide | | Monograph or Collective Volume | Irish Academic Press | 2018 |
| The letters of Lieutenant Robert Clifford, 1st Punjab Cavalry | Kirwan, John | Article in Journal | | 2006 |
| The Robbins family of Ballyduff and Firgrove, Co Kilkenny : a preliminary study | Kirwan, John | Article in Journal | | 1994 |
| The Walsh family of Lower Grange, Goresbridge, county Kilkenny | Kirwan, John | Article in Journal | | 1997 |
| The will of John Butler of Kilcash, Co. Tipperary | Kirwan, John | Article in Journal | | 2015 |
| The will of John Butler of Kilcash, Co. Tipperary | Kirwan, John | Article in Journal | | 2012 |
| The Woodstock Bessborough connection | Kirwan, John | Article in Journal | | 1984 |
| Thomas Butler 10th earl of Ormond : his early career and rise to prominence. Part 11 | Kirwan, John | Article in Journal | | 1997 |
| Thomas Butler, 10th earl of Ormond | Kirwan, John | Thesis | | 1993 |
| Thomas Butler, 10th Earl of Ormond. His early career and rise to prominence : Part I | Kirwan, John | Article in Journal | | 1994 |
| Thomas Butler, tenth earl of Ormond (c.1532-1614) : his stewartship of the family estates | Kirwan, John | Article in Book | | 1997 |
| William John Hennessy, a Kilkenny born American artist and his family | Kirwan, John | Article in Journal | | 2003 |