| 'Melting down': post-Famine emigration from County Cavan | Sullivan, Mary | Article in Book | | 2014 |
| A sheepish account of Ireland's changing role in an imperial age | O'Sullivan, Mary | Article in Journal | | 2025 |
| A shining lamp : the oral instructions of Catherine McAuley | Sullivan, Mary C. | Monograph or Collective Volume | Catholic University of America | 2017 |
| Canada, convicts and canals: pre-Famine emigration from County Cavan 1815-1844 | Sullivan, Mary | Article in Journal | | 2010 |
| Catherine McAuley and the tradition of mercy | Sullivan, Mary C. | Monograph or Collective Volume | Four Courts | 1995 |
| Catherine McAuley's theological and literary debt to Alonso Rodriguez : the 'spirit of the institute' parallels | Sullivan, Mary C. | Article in Journal | | 1990 |
| Catherine McAuley's theological and literary debt to Alonzo Rodriguez : the 'spirit of the institute' parallels | Sullivan, Mary C. | Article in Journal | | 1990 |
| Fr Tom McGrath PP VF | O'Sullivan, Mary | Article in Journal | | 2006 |
| Lesbian, gay and bisexual teachers’ negotiations of civil partnership and schools : ambivalent attachments to religion and secularism | Gray, BredaNeary, AoifeO'Sullivan, Mary | Article in Journal | | 2018 |
| Manufacturing and global competition | O'Sullivan, Mary | Article in Book | | 1995 |
| Opportunity knocks : the intersection between schools, their teachers and external providers of physical education and school sport | Bowles, RichardO'Sullivan, Mary | Article in Journal | | 2020 |
| Revisiting the ghost of Duffy's cut | Sullivan, Mary | Article in Journal | | 2013 |
| Royalists, rebels and revolutionists: a history of County Cavan's revolution, 1912 - 1923 | Farrelly, Johann | Monograph or Collective Volume | Cavan County Council's Library Service | 2019 |
| The Cavan diaspora | Sullivan, Mary | Article in Book | | 2006 |
| The correspondence of Catherine McAuley, 1818-1841 | McAuley, Catherine | Monograph or Collective Volume | Four Courts | 2004 |
| The path of Mercy : the life of Catherine McAuley | Sullivan, Mary C. | Monograph or Collective Volume | Four Courts|Catholic University of America | 2012 |