| All Ireland is in and about Rathkeale | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1996 |
| All worlds possible : the domain of the Millers of Coolybrown | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1993 |
| Atlas of Irish place-names | O'Connor, Patrick | Monograph or Collective Volume | Oireacht na Mumhan Books | 2001 |
| Exploring Limerick's past : an historical geography of urban development in county and city | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1987 |
| Hometown : a portrait of Newcastle West, Co. Limerick | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1998 |
| Living in a coded land | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1992 |
| People make places : the story of the Irish palatines | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1989 |
| So long to Coolanoran | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 2011 |
| Some guides to the Irish scene | O'Connor, Patrick J. | Monograph or Collective Volume | Oireacht na Mumhan Books | 1992 |