| 'Pray pity your poor people...': The Mahon papers and the famine of 1822 in the west | McNamara, Conor | Article in Journal | | 2011 |
| 'The most terrible assassination that has yet stained the name of Belfast: the McMahon murders in context | Wilson, Tim | Article in Journal | | 2010 |
| A lament for Art Óg, Pádraig and Brian Mhag Mathghamhna | | Article in Journal | | 1941 |
| A short history of the Miniter and MacMahon family of Feakle and Whitegate | Larkin, Susan Cavanagh | Article in Journal | | 2002 |
| Bardic poetry and the MacMahons of Oirghialla | Mac Cathmhaoil, Nioclás | Article in Book | | 2017 |
| Colla Dubh Mac Mahon, his ancestors and descendants | Ó Mórdha, P. | Article in Journal | | 1974 |
| Descent of the Mahons of Cavetown, Co. Roscommon | Webster, Gillian | Article in Journal | | 1990 |
| Newpark House and the Mahon family | Barron, Declan | Article in Journal | | 2019 |
| Social and spatial order in the MacMahon lordship of Airghialla in the late sixteenth century | Duffy, Patrick J. | Article in Book | | 2001 |
| Some MacMahon wills from Clogher diocese | Ó Mórdha, P. | Article in Journal | | 1991 |
| Some towerhouses of East Corca Bhaiscinn and the Shannon Estuary [Parts I-II] | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2013 |
| Strokestown : comments and connundrums | Donlon, Billie | Article in Journal | | 1990 |
| Strokestown and the Great Irish Famine | Reilly, Ciaran J. | Monograph or Collective Volume | Four Courts | 2014 |
| The Cavetown Mahons of County Roscommon | Webster, Gillian | Article in Journal | | 1996 |
| The French MacMahons | McMahon, Denis | Article in Journal | | 1989 |
| The landlord influence in the development of an Irish estate town : Strokestown, County Roscommon | Hood, Susan | Article in Journal | | 1995 |
| The MacMahon pedigree : a medieval forgery | Simms, Katharine | Article in Book | | 2004 |
| The MacMahons of Monaghan (1500-1593) | Moore, Philip | Article in Journal | | 1955 |
| The MacMahons of Monaghan, (1593-1603) | Moore, Philip | Article in Journal | | 1956 |
| The McMahon Chalice 1724 | Magee, Philip
| Article in Journal | | 2013 |
| The McMahon family and the Belfast troubles, 1920-1922 | Baker, Joe, 1965- | Monograph or Collective Volume | Glenravel Publications | 1993 |
| The McMahon family murders and the Belfast troubles, 1920-1922 | Baker, Joe, 1965- | Monograph or Collective Volume | Glenravel Publications | 1995 |
| The O'Briens and MacMahons of Thomond, their patronage of the Franciscan Order, and their burial monuments | Ó Dálaigh, Brian | Article in Journal | | 2017 |
| The unravelling of a Gaelic dynasty, 1446–1690 | McMahon, Eugene | Article in Book | | 2018 |