| "Maidhm Locha Monann" - The great victory of Hugh Dubh O'Donnell over Conn Bacadh O'Neill, Knockavoe, 1522 | McGettigan, Darren | Article in Journal | | 2011 |
| 1608 - The collapse of traditional Gaelic lordship in Co. Donegal | McGettigan, Darren | Article in Journal | | 2007 |
| A house divided : the political community of the lordship of Tir Chonaill and the reaction to the Nine Years War | McGettigan, Darren | Article in Book | | 2006 |
| Donegal Town 550, Dún na nGall: the first 135 years as the O'Donnell capital | McGettigan, Darren | Article in Journal | | 2024 |
| Early history of the McGettigan sept | McGettigan, Darren | Article in Journal | | 1990 |
| Eulogy: unveiling of Aodh Ruadh I Statue, Donegal Town, 2007 | McGettigan, Darren | Article in Journal | | 2024 |
| Exempt from the authority of the earl : the failure of the second-rank nobles of Tír Chonaill in post-flight County Donegal | McGettigan, Darren | Article in Book | | 2010 |
| Gaelic military organisation and the Nine Years'War - the army of Red Hugh O'Donnell | McGettigan, Darren | Article in Journal | | 2005 |
| Red Hugh O'Donnell and the Nine Years War | McGettigan, Darren | Monograph or Collective Volume | Four Courts | 2005 |
| Red Hugh O'Donnell and the Nine Years War | McGettigan, Darren | Thesis | | 2004 |
| Richard II and the Irish kings | McGettigan, Darren | Monograph or Collective Volume | Four Courts | 2016 |
| The battle of Clontarf : Good Friday, 1014 | McGettigan, Darren | Monograph or Collective Volume | Four Courts | 2013 |
| The Donegal plantation and the Tír Chonaill Irish, 1610-1710 | McGettigan, Darren | Monograph or Collective Volume | Four Courts | 2010 |
| The Kings of Aileach and the Vikings AD 800-1060 | McGettigan, Darren | Monograph or Collective Volume | Four Courts | 2020 |
| The Kings of Aileach and the Vikings: AD 800-1060 | McGettigan, Darren | Monograph or Collective Volume | Four Courts Press | 2020 |
| The principality of Tír Chonaill in the early sixteenth century | McGettigan, Darren | Article in Book | | 2013 |
| The Viking impact on the Inishowen Peninsula | McGettigan, Darren | Article in Journal | | 2020 |