| "The same in origin and in blood" : bardic windows on the relationship between Irish and Scottish Gaels, c.1200-1650 | Ó Mainnín, Mícheál B. | Article in Journal | | 1999 |
| 'A sept and family of the Irishrie' of Armagh: the Meic Giolla Mhura | Ó Mainnín, Mícheál B. | Article in Book | Clann Tuir | 2007 |
| 'Saig in Machai fothúaid' : on the application and extent of 'The Macha' in north-west Armagh | Ó Mainnín, Mícheál B. | Article in Journal | | 2010 |
| A 'Principall Irish Name' in the Barony of Armagh: the Uí Mhartanáin and Ballymartrim | Ó Mainnín, Micheál B. | Article in Journal | | 2009 |
| A post-mortem on the Protestant crusade in Dingle | Ó Mainnín, Micheál | Article in Journal | | 1996 |
| Annexing Irish names to the English tongue : Language contact and the anglicanisation of Irish place-names | Ó Mainnín, Mícheál B. | Monograph or Collective Volume | School of Celtic Studies, Maynooth University | 2017 |
| Annexing Irish names to the English tongue: language contact and the anglicisation of Irish place-names | Ó Mainnín, Mícheál B. | Monograph or Collective Volume | Scoil an Léinn Cheiltigh, Ollscoil Mhá Nuad|School of Celtic Studies, Maynooth University | 2016 |
| Bád na ngort dubh | Ó Mainnín, Micheál | Article in Book | | 2002 |
| Dán molta ar Eoin Mac Domhnaill, 'Tiarna na nOileán' (+1503) | Ó Mainnín, Mícheál B. | Article in Book | | 2009 |
| Deirdre Uí Fhlannagáin | Ó Mainnín, Micheál B. | Article in Book | | 2005 |
| Gnéithe de chúlra Leabhar Dhéan Leasa Mhóir | Ó Mainnín, Mícheál B. | Article in Book | | 2002 |
| Irish in placenames | Ó Mainnín, Micheál B. | Article in Book | Gael Linn | 2015 |
| Locating "Mag itir dá glais": a church site in Machae | Ó Mainnín, Mícheál B. | Article in Journal | | 2010 |
| Muintir Chianáin Ard Mhaca agus borradh na dteachlach léannta | Ó Mainnín, Mícheál B. | Article in Book | | 2012 |
| Place-names of Northern Ireland vol 3 : County Down III : the Mournes | Stockman, GerardÓ Mainnín, Mícheál B. | Monograph or Collective Volume | Institute of Irish Studies, Queen's University Belfast | 1993 |
| Place-Names of Northern Ireland, 1 : County Down, pt. 1 : Newry and South-West Down; 2 : County Down, pt. 2 : The Ards | | Monograph or Collective Volume | | 1992 |
| Place-names of Northern Ireland. Vol. 1 : County Down. Pt. 1 : Newry and south-west Down; Pt. 2 : The Ards; Pt. 3 : The Mournes | Stockman, GerardToner, GregoryÓ Mainnín, Mícheál B. | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1992 |
| The element island in Ulster place-names | Ó Mainnín, Mícheál B. | Article in Journal | | 1989 |
| The kingdom of Mag nDumai in Uí Bresail Macha | Ó Mainnin, Mícheál | Article in Journal | | 2018 |
| The mountain names of County Down | Ó Mainnín, Mícheál B. | Article in Journal | | 1994 |
| The protean Emain : Emain Macha, Emain Ablach (Avalon) and other Emain names | Ó Mainnín, Mícheál B. | Article in Book | | 2013 |