| Airteach's western boundary | Connellan, M. J. | Article in Journal | | 1951 |
| Archbishops Edmund MacGauran and Malachy O'Queely : some circumstances of their deaths | Connellan, M. J. | Article in Journal | | 1948 |
| Ballygeraghty and Castlecoote | Connellan, M. J. | Article in Journal | | 1962 |
| Ballymulconry and the Mulconrys | Connellan, M. J. | Article in Journal | | 1958 |
| Cineál Fhéichín - its identity, location, and extent | Connellan, M. J. | Article in Journal | | 1943 |
| Clann Ceithearnaigh, its whereabouts and extent | Connellan, M. J. | Article in Journal | | 1948 |
| Eglish monastery - Ahascragh parish - Co. Galway | Connellan, M. J. | Article in Journal | | 1943 |
| Killery - an artifical adjunct of Tirerril | Connellan, M. J. | Article in Journal | | 1951 |
| Loch Airill | Connellan, M. J. | Article in Journal | | 1946 |
| Port Airchinnigh - Airchinneach - Portrunny | Connellan, M. J. | Article in Journal | | 1954 |
| Sliabh ua nAilealla and Bearnas ua nAilealla | Connellan, M. J. | Article in Journal | | 1950 |
| St Brocaidh of Imliuch Brocadha | Connellan, M. J. | Article in Journal | | 1949 |
| St Patrick's two crossings of the Shannon | Connellan, M. J. | Article in Journal | | 1951 |
| The see of Tuam in Rath Breasail Synod | Connellan, M. J. | Article in Journal | | 1950 |
| The tuatha of Brenay O'Roirck elucidated | Connellan, M. J. | Article in Journal | | 1946 |
| Three Patrician bishops and their seats in Airteach | Connellan, M. J. | Article in Journal | | 1951 |
| Tuaim of the Rath Breasail synod | Connellan, M. J. | Article in Journal | | 1952 |
| Where on Cruachain was Seandomnagh Maighe Ali? | Connellan, M. J. | Article in Journal | | 1954 |