| 1622 survey of Cavan | Ó Gallachair, Pádraig | Article in Journal | | 1958 |
| A dictionary of the Catholic clergy of the diocese of Clogher (1535-1835) | Ó Gallachair, Pádraig | Article in Journal | | 1968 |
| A Fermanagh survey (1622) | | Article in Journal | | 1958 |
| A forgotten penal-day church in Kinlough | Ó Gallachair, Pádraig | Article in Journal | | 1958 |
| An early list of county Donegal parishes | Ó Gallachair, Pádraig | Article in Journal | | 1974 |
| Cá raibh Dónach Mór Muighe Éne? | Ó Gallachair, Pádraig | Article in Journal | | 1958 |
| Carne graveyard, Pettigo, Co. Donegal | Cunningham, John B. 1944-Slevin, P.,Ó Gallachair, Pádraig, | Article in Journal | | 1989 |
| Catholic qualification rolls index : Fermanagh and Monaghan | | Article in Journal | | 1959 |
| Clogher's altars of the penal days | Ó Gallachair, Pádraig | Article in Journal | | 1957 |
| Clogherici : a dictionary of the Catholic clergy of the diocese of Clogher (1535-1835) | Ó Gallachair, Pádraig | Article in Journal | | 1986 |
| Clogherici : Clogher clergy (1535-1835) | Ó Gallachair, Pádraig | Article in Journal | | 1967 |
| Coarbs and erenaghs of Co. Donegal | Ó Gallachair, Pádraig | Article in Journal | | 1960 |
| Documents : 1 : William Carleton writes to Rev. Dr Murray; 2 : two letters from a Clones emigrant [Patrick J. Murrray, 1870, 1871] | Ó Gallachair, Pádraig | Article in Journal | | 1962 |
| Dr. James Donnelly : the early years | Ó Gallachair, Pádraig | Article in Journal | | 1984 |
| Fare thee well, Enniskillen | Ó Gallachair, Pádraig | Article in Journal | | 1963 |
| Fintona (1797-1837) | Ó Gallachair, Pádraig | Article in Journal | | 1971 |
| Hearth-money and subsidy rolls : Co. Tyrone | | Article in Journal | | 1965 |
| Inscriptions from Old Kilskeery graveyard, Co. Tyrone | Ó Gallachair, Pádraig | Article in Journal | | 1973 |
| Inscriptions from the Abbey cemetery, Ballyshannon | | Article in Journal | | 1957 |
| Notes on Dromore parish, county Tyrone | Ó Gallachair, Pádraig | Article in Journal | | 1977 |
| Old Fintona : a history of the Catholic parish of Donaghcavey in county Tyrone | Ó Gallachair, Pádraig | Monograph or Collective Volume | Cumann Seanchais Chlochair | 1974 |
| Patrician Donegal | Ó Gallachair, Pádraig | Article in Journal | | 1961 |
| Pilgrim crucifixes of Lough Derg | Ó Gallachair, Pádraig | Article in Journal | | 1965 |
| The 1641 war in Clogher | Ó Gallachair, Pádraig | Article in Journal | | 1962 |
| The Erne forts of Cael Uisce and Belleck | Ó Gallachair, Pádraig | Article in Journal | | 1966 |
| The first Maguire of Tempo | Ó Gallachair, Pádraig | Article in Journal | | 1959 |
| The origin, growth and development of technical and vocational education in Bandon, 1901-1980 | Ó Gallachair, Pádraig | Article in Journal | | 1984 |
| The parish of Carn | Ó Gallachair, Pádraig | Article in Journal | | 1975 |
| The parish of Donaghcavey | Ó Gallachair, Pádraig | Article in Journal | | 1970 |
| Tirconaill in 1641 | Ó Gallachair, Pádraig | Article in Book | | 1959 |
| Where Erne and Drowes meet the sea : fragments from a Patrician parish | Ó Gallachair, Pádraig | Monograph or Collective Volume | Donegal Democrat | 1961 |
| Where was O'Donnell's fort at Murvagh? | Ó Gallachair, Pádraig | Article in Journal | | 1958 |
| Where was O'Donnell's island on Lough Beagh? | Ó Gallachair, Pádraig | Article in Journal | | 1959 |
| Where was St Colmcille born at Gartan? | Ó Gallachair, Pádraig | Article in Journal | | 1963 |
| Where was the Donegal friary at Drowes? | Ó Gallachair, Pádraig | Article in Journal | | 1956 |