| A lost headstone | MacKiernan, Francis J. | Article in Journal | | 2000 |
| Diocese of Kilmore (1678-1728) | MacKiernan, Francis J. | Article in Journal | | 2002 |
| Diocese of Kilmore : it's [sic] bishops and priests, 1136-1988 | MacKiernan, Francis J. | Monograph or Collective Volume | Breifne Historical Society | 1989 |
| The diocese of Kilmore : bishops and priests, 1136-1988 | MacKiernan, Francis J. | Monograph or Collective Volume | | 1989 |
| The Franciscan friary in Cavan | MacKiernan, Francis J. | Article in Journal | | 1999 |
| The Franciscan friary in Cavan : St Mary's Abbey, Cavan | MacKiernan, Francis J., 1926-2005 | Monograph or Collective Volume | Cumann Seanchais Bhréifne (Bréifne Historical Society) | 2000 |
| Thomas Fitzsimons (1614-80) | MacKiernan, Francis J. | Article in Journal | | 2001 |
| William Rutledge 1806-76 | MacKiernan, Francis J. | Article in Journal | | 2000 |