| Anglo-Norman settlement in Co. Longford | O'Conor, Kieran,Parker, Ciaran | Article in Book | | 2010 |
| Cavan : a medieval border area | Parker, Ciarán | Article in Book | | 1995 |
| County Cavan : land of water, earth and air ; paintings by Jim McPartlin | Parker, Ciaran | Monograph or Collective Volume | Cottage Publications | 2008 |
| County Cavan in old picture postcards | | Monograph or Collective Volume | The author | 2000 |
| Father Finaghty, Valintine Greatrakes and attitudes to the miraculous in seventeenth-century Ireland and England | Parker, Ciarán Thomas | Thesis | | 1997 |
| Local government in county Waterford in the thirteenth and fourteenth centuries : Part II; the Sheriffs of Waterford in the early fourteenth century; Part III : the office of Sheriff, 1355-1420 | Parker, Ciarán | Article in Journal | | 1996 |
| Local government in County Waterford in the thirteenth and fourteenth centuries. Part I : the office of sheriff, c.1208-1305 | Parker, Ciarán | Article in Journal | | 1994 |
| Pater familias and parentela : the Le Poer lineage in fourteenth-century Waterford | Parker, Ciarán | Article in Journal | | 1995 |
| The castle at Castlerahan, County Cavan | O'Donovan, Patrick,Parker, Ciarán | Article in Book | | 2007 |
| The diocese of Tir Brun (Kilmore) in the middle ages. Pt. 1 | Parker, Ciarán | Article in Journal | | 1997 |
| The internal frontier : the Irish in County Waterford in the later middle ages | Parker, Ciarán | Article in Book | | 1995 |
| The Ostmen in post-Norman Waterford | Parker, Ciarán | Article in Journal | | 1994 |
| The politics and society of County Waterford in the thirteenth and fourteenth centuries | Parker, Ciarán | Thesis | | 1992 |
| The social and ethnic distribution of crime in County Waterford, 1295-1325 | Parker, Ciarán | Article in Journal | | 1993 |
| Two minor septs of late medieval Breifne | Parker, Ciarán | Article in Journal | | 1995 |