| "My darling Danny" : letters from Mary O'Connell to her son Daniel, 1830-1832 | O'Connell, Mary | Monograph or Collective Volume | Cork University Press | 1998 |
| An examination of how some co. Roscommon holy wells feature in the cult of the Holy Well in Ireland | O'Connell, Mary | Article in Journal | | 1998 |
| Eileen O'Connor (1892-1921). Founder of Sydney's Brown Nurses | O'Connell, Mary | Article in Journal | | 2004 |
| From Meath of the pastures to Smithfield | O'Connell, Mary | Article in Journal | | 2015 |
| Our Lady of Coogee : Eileen O'Connor and the founding of Sydney's Brown Nurses | O'Connell, Mary | Monograph or Collective Volume | Crossing Press | 2009 |
| Our Lady of Coogee : Marian visions in Irish Australia | O'Connell, Mary | Article in Journal | | 2009 |
| Prudence Brice and the clothes brokers of Dublin | O'Connell, Mary | Article in Journal | | 2020 |
| The demise of vernacular architecture in co. Roscommon | O'Connell, Mary | Article in Journal | | 2000 |
| Urney Church | O'Connell, Mary | Article in Journal | | 2000 |