| O'Hara, Aidan see Ó hEadhra, Aodhán | Cross-reference | | |
| "The entire island is United..." : the attempted United Irish rising in Newfoundland, 1800 | O'Hara, Aidan | Article in Journal | | 2000 |
| 'Come, pack up your store ...' : emigration from County Longford in the nineteenth and twentieth centuries | O'Hara, Aidan | Article in Book | Geography Publications | 2010 |
| American Civil War chaplain | O'Hara, Aidan | Article in Journal | | 2006 |
| Capt. McKay Rorty and the American Civil War (1861-65) | O'Hara, Aidan | Article in Journal | | 2013 |
| Cé mar a chuir Delia beocht nua sna sean bhailéidí | O'Hara, Aidan | Article in Journal | | 1995 |
| Cosy homesteads in the idyllic rural landscape | O'Hara, Aidan | Article in Journal | | 2008 |
| Delia Murphy. Legend of Irish folk music | O'Hara, Aidan | Article in Journal | | 2021 |
| Discovery an Irish accent in Ontario’s music heritage | O'Hara, Aidan | Article in Journal | | 1996 |
| Francis Hutcheson (1694-1746) and the Longford connection | O'Hara, Aidan | Article in Journal | | 2013 |
| Longford men in the American Civil War (1861-'65) part I : the chaplains | O'Hara, Aidan | Article in Journal | | 2011 |
| Longford men ni the American Civil War (1861-'65) part II : the all but forgotten men - the soldiers | O'Hara, Aidan | Article in Journal | | 2011 |
| Mary Todd Lincoln's Longford roots : Toddstown? | O'Hara, Aidan | Article in Journal | | 2013 |
| Melodies and songs from Ireland on Canada’s coastline | O'Hara, Aidan | Article in Journal | | 1995 |
| Notable figures with Longford family ties | O'Hara, Aidan | Article in Journal | | 2007 |
| Open-air Mass in the Donegal mountains, 1867 | O'Hara, Aidan | Article in Journal | | 2018 |
| The 31st International Eucharistic Congress, 1932 | O'Hara, Aidan | Article in Journal | | 2013 |
| The Irish in Newfoundland | O'Hara, Aidan | Article in Book | | 1991 |
| The moving of a statue | O'Hara, Aidan | Article in Journal | | 2007 |
| The Right Reverend James Magaurin, D.D. Titular Bishop of the Diocese of Ardagh examined at The Select Committee appointed to enquire into The State of Ireland, 1825 | O'Hara, Aidan | Article in Journal | | 2008 |
| Tús ré an 'Folk Revival' | O'Hara, Aidan | Article in Journal | | 2007 |
| When Mummer was the word. | O'Hara, Aidan | Article in Journal | | 1995 |