| Catholic parish registers in Clogher diocese | Mulligan, Patrick | Article in Journal | | 1985 |
| Dr. James Donnelly : the early years | Mulligan, Patrick | Article in Journal | | 1984 |
| Dr. James Donnelly's letters to his Roman agent 1861-92 | | Article in Journal | | 1982 |
| Dr. James Donnelly, P.P. of Roslea (1857-65) | Mulligan, Patrick | Article in Journal | | 1983 |
| Early memorials in Clones round tower graveyard and St. Tierney's R. C. graveyard, Roslea | McMahon, TheoMulligan, Patrick | Article in Journal | | 1984 |
| Early memorials in Kilmore cemetery, Monaghan | Mulligan, Patrick | Article in Journal | | 1983 |
| Four county Monaghan leases 1794, 1792, 1811 and 1831 | Mulligan, Patrick | Article in Journal | | 1976 |
| Gravestone inscriptions in Drumswords cemetery, county Monaghan | McMahon, TheoMulligan, Patrick | Article in Journal | | 1985 |
| Memorials in old Errigal cemetery, county Monaghan | McEntee, PatrickMcMahon, TheoMulligan, Patrick | Article in Journal | | 1988 |
| Notes on the topography of Fermanagh | Mulligan, Patrick | Article in Journal | | 1954 |
| Rules and regulations for the Catholic school in Monaghan | Mulligan, Patrick | Article in Journal | | 1978 |
| Some additional gravestone inscriptions in Kilmore cemetery, county Monaghan | McMahon, TheoMulligan, PatrickO'Neill, Brendan | Article in Journal | | 1985 |
| The life and times of Bishop Edward Kernan | Mulligan, Patrick | Article in Journal | | 1981 |