| 'The Celtic Times' and the early days of the GAA in Wicklow | O'Connor, Tom | Article in Journal | | 2005 |
| A civil service career - some reflections | O'Connor, Tom | Article in Journal | | 1990 |
| Archaeological sites of interest surrounding Turoe Stone | Jordan, KieranO'Connor, Tom | Article in Journal | | 2003 |
| Ardfert : a hurling history | O'Connor, Tommy | Monograph or Collective Volume | St Brendan's Hurling Club | 1988 |
| Ardfert church 150 : a history of St. Brendan's church, Ardfert, Co. Kerry, 1855-2005 | O'Connor, Tommy | Monograph or Collective Volume | Foilseacháin Bréanainn | 2005 |
| Ardfert in times past : a history of Ardfert parish, Co. Kerry from earliest times | O'Connor, Tommy | Monograph or Collective Volume | The author | 1999 |
| Hand of history : burden of pseudo-history : touchstone of truth | O'Connor, Tom | Monograph or Collective Volume | Trafford Publishing | 2007 |
| Natural philosophy / physics | O'Connor, Tom | Article in Book | | 1999 |
| North Kerry - a hurling history : a history of the North Kerry Hurling Board, 1925-2015 | O'Connor, Tommy | Monograph or Collective Volume | Bord Iomána Chiarraí Thuaidh | 2015 |
| Politics in a changing Ireland, 1960-2007 : a tribute to Seamus Patterson | O'Connor, Tom,O'Halloran, Anthony | Monograph or Collective Volume | Institute of Public Administration | 2008 |
| Steam engines make a comeback | O'Connor, Tom | Article in Journal | | 2012 |
| Surnames of county Kerry | O'Connor, Tommy | Article in Journal | | 1995 |
| The early years of the North Kerry Hurling Board | O'Connor, Tommy | Article in Journal | | 2024 |