| A distinguished son of Leighlinbridge : Fr William Delany, S.J. (1835-1924) | Morrissey, Thomas J. | Article in Journal | | 1984 |
| A man called Hughes : the life and times of Seamus Hughes, 1881-1943 | Morrissey, Thomas J. | Monograph or Collective Volume | Vertias | 1991 |
| A man of the Universal Church : Peter James Kenney, S.J., 1779-1841 | Morrissey, Thomas J. | Article in Journal | | 1999 |
| Among the Irish martyrs : Dominic Collins, S.J., in his times (1566-1602) | Morrissey, Thomas J. | Article in Journal | | 1992 |
| Archbishop Walsh and the 1913 Lock-out | Morrissey, Thomas J. | Article in Journal | | 2013 |
| As one sent : Peter Kenney SJ, 1779-1841 : his mission in Ireland and North America | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 1996 |
| Bishop Edward Thomas O'Dwyer of Limerick, 1842-1917 | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2003 |
| Dom Eugene Boylan: Trappist monk, scientist and writer | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2019 |
| Edward J. Byrne 1872-1941 : the forgotten archbishop of Dublin | Morrissey, Thomas J. | Monograph or Collective Volume | Columba Press | 2010 |
| Fr Daniel Roche, SJ | Morrissey, Thomas J. | Article in Book | | 2014 |
| Fr John Delaney, SJ | Morrissey, Thomas J. | Article in Book | | 2014 |
| From Catholic Workers' College to National College of Ireland, 1951-1998 | Morrissey, Thomas J. | Article in Journal | | 1998 |
| From Easter week to Flanders field : the diaries and letters of John Delaney SJ, 1916-1919 | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2015 |
| Gerard Manley Hopkins and his Irish friends | Morrissey, Thomas J. | Article in Journal | | 2011 |
| Hopkins' friends and colleagues | Morrissey, Thomas J. | Article in Book | | 1988 |
| Ireland, England and the restoration of the Society of Jesus | Morrissey, Thomas J. | Article in Book | | 2003 |
| James Archer and the Jesuit mission to Ireland, 1597-1602 | Morrissey, Thomas | Thesis | | 1970 |
| James Archer of Kilkenny : an Elizabethan Jesuit : first rector of the Irish College at Salamanca and ally of the great Hugh O'Neill | Morrissey, Thomas J. | Monograph or Collective Volume | Studies, Special Publication | 1979 |
| John Sullivan SJ., 1861 - 1933 : where two traditions meet | Morrissey, Thomas J. | Monograph or Collective Volume | Columba | 2009 |
| Joseph Dalton, S.J., first Irish Jesuit missionary in Australia | Morrissey, Thomas J. | Article in Journal | | 2000 |
| Laurence O'Neill (1864-1943), Lord Mayor of Dublin (1917-1924) : patriot and man of peace | Morrissey, Thomas J. | Monograph or Collective Volume | Dublin City Council | 2014 |
| Mission to a suffering people : Irish Jesuits 1596-1696 | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2021 |
| Patriot and man of peace : Laurence O'Neill 1864-1943, Lord Mayor of Dublin 1917-24 | Morrissey, Thomas J. | Article in Book | | 2016 |
| Peter Kenney SJ, 1779-1841 : the restoration of the Jesuits in Ireland, England, Sicily and North America | Morrissey, Thomas J. | Monograph or Collective Volume | Catholic University of America Press | 2014 |
| Saving the language : 'the impatient revolutionary' | Morrissey, Thomas J. | Article in Journal | | 1988 |
| Some Jesuit contributions in Irish education : a study of the work of Irish members of the Society of Jesus in connection with the Irish College, Salamanca (1592-1610), Mungret College, Limerick (1881-1889), St. Stanislaus College, Tullabeg (1818-1886), and University College, Dublin (1883-1909) | Morrissey, Thomas J. | Thesis | | 1975 |
| The 1913 lock-out : letters for the archbishop | Morrissey, Thomas J. | Article in Journal | | 1986 |
| The career and problem of David Wolfe, 1528-1579? Jesuit and Papal Commissary to Ireland | Morrissey, Thomas J. | Article in Journal | | 2007 |
| The Ireland of Edward Cahill (1868-1941): a liberal or a Christian state? | Morrissey, Thomas J. | Article in Journal | | 2017 |
| The Ireland of Edward Cahill, SJ, 1868-1941 : a secular or a Christian state? | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2016 |
| The Irish student diaspora in the sixteenth century and the early years of the Irish College at Salamanca | Morrissey, Thomas J. | Article in Journal | | 1978 |
| The life and times of Daniel Murray : Archbishop of Dublin, 1823-1852 | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2018 |
| The making of an Irish nuncio. The early career of Paschal Robinson OFM, the first papal nuncio the the Irish Free State, 1929-1948 | Morrissey, Thomas J. | Article in Journal | | 2019 |
| The paradox of James Connolly, Irish Marxist socialist (1868-1916) and the Papal social encyclicals (1891-1991) | Morrissey, Thomas J. | Article in Journal | | 1991 |
| The Prince of Orange and the earl of Tyrone | Morrissey, Thomas J. | Article in Journal | | 1960 |
| The social teachings of James Connolly | McKenna, Lambert | Monograph or Collective Volume | Veritas | 1991 |
| The strange letters of Mathew O'Hartegan, S.J., 1644-45 | Morrissey, Thomas J. | Article in Journal | | 1970 |
| Thomas A. Finlay S.J., 1848-1940 : educationalist, editor, social reformer | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2004 |
| Thomas F. Ryan S.J. From Cork to China and Windsor Castle, 1889-1971 | Morrissey, Thomas J. | Monograph or Collective Volume | Columba Press | 2010 |
| Towards a national university : William Delaney, S.J. (1835-1924) and an era of initiative in Irish education | Morrissey, Thomas J. | Monograph or Collective Volume | Wolfhound Press|Humanities Press | 1983 |
| William J. Walsh, archbishop of Dublin, 1841-1921 | Morrissey, Thomas J. | Article in Journal | | 2008 |
| William J. Walsh, Archbishop of Dublin, 1841-1921 | Morrissey, Thomas J. | Article in Journal | | 2008 |
| William J. Walsh, Archbishop of Dublin, 1841-1921, no uncertain voice | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2000 |
| William Martin Murphy | Morrissey, Thomas J. | Monograph or Collective Volume | Dundalgan Press for the Historical Association of Ireland | 1997 |
| William Martin Murphy : patriotic entrepreneur or 'a soulless, money-grubbing tyrant'? | Morrissey, Thomas J. | Article in Journal | | 2013 |
| William Martin Murphy, the employers and 1913 | Morrissey, Thomas J. | Article in Book | Dublin City Council | 2013 |
| William O'Brien, 1881-1968 : socialist, republican, Dáil deputy, editor, and trade union leader | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2007 |
| William Ronan, SJ, 1825-1907. War Chaplain, Missioner, Founder of Mungret College | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2003 |