| Clann Eruilb : Irish or Scandinavian? | Thornton, David E. | Article in Journal | | 1996 |
| Communities and Kinship | Thornton, David E. | Article in Book | | 2009 |
| Computerizing Celtic kings and clerics : towards a prosopography of early medieval Ireland | Thornton, David E. | Article in Journal | | 2000 |
| Early medieval Louth : the kingdom of Conaille Muirtheimne | Thornton, David E. | Article in Journal | | 1999 |
| Hey, Mac! : the name Maccus tenth to fifteenth centuries | Thornton, David E. | Article in Journal | | 1997 |
| Identifying Celts in the past : a methodology | Thornton, David E. | Article in Journal | | 2002 |
| Kings, chronicles, and genealogies : reconstructing medieval Celtic dynasties | Thornton, David E. | Article in Book | | 1997 |
| Kings, chronologies and genealogies : studies in the political history of early medieval Ireland and Wales | Thornton, David E. | Monograph or Collective Volume | Linacre College, Unit for Prosopographical Research | 2003 |
| Localities | Thornton, David E. | Article in Book | | 2009 |
| Locusts in Ireland? A problem in the Welsh and Frankish annals | Thornton, David E. | Article in Journal | | 1996 |
| Orality, literacy and genealogy in early medieval Ireland and Wales | Thornton, David E. | Article in Book | | 1998 |
| Out of sight, out of mind? the wills of monastic and mendicant bishops in Britain and Ireland, 1350-1535 | Thornton, David E. | Article in Journal | | 2024 |
| Power, politics, status : aspects of genealogy in medieval Ireland and Wales | Thornton, David E. | Thesis | | |
| Select document : The last will and testament of Diarmaid Ó Conchobhair, prior of Cluain Tuaiscirt na Sionna | Thornton, David E. | Article in Journal | | 2024 |
| The genealogy of Gruffudd ap Cynan | Thornton, David E. | Article in Book | | 1996 |
| The monks and attorneys of Beabec iuxta Drogheda, c.1300-1400 | Thornton, David E. | Article in Book | | 2023 |
| Who was Rhain the Irishman? | Thornton, David E. | Article in Journal | | 2000 |