Professor Seán Duffy
Associate Professor of Medieval History
Professor Duffy specializes in the history of medieval Ireland and, in particular, three aspects: first, the political history of Ireland in the eleventh, twelfth and thirteenth centuries; second, Irish relations with England, Scotland, and Wales in the same period; and third, the history and archaeology of medieval Dublin.
- Medieval Dublin: Proceedings of the Friends of medieval Dublin Symposium (Editor. Dublin: Four Courts, 1999-). [eleven vols have appeared to date]
- The World of the Galloglass: Kings, warlords and warriors in Ireland and Scotland, 1200-1600 (Editor. Dublin: Four Courts Press, 2007), pp. 219.
- Medieval Ireland: An encyclopedia (Editor. New York & London: Routledge, 2005), pp. xxxii + 546.
- Robert the Bruce’s Irish Wars: The invasions of Ireland, 1306-1329 (Editor. Stroud: Tempus Publishing, 2002), pp. 221.
- The Concise History of Ireland (Dublin: Gill & Macmillan, 2000), pp. 256.
- Ireland in the Middle Ages (Basingstoke & Dublin: Macmillan, 1997), pp. 216.
- Atlas of Irish history (Dublin: Gill & Macmillan), 2000), pp 160. [now in its 4th edn]
- ‘The hermits of St Augustine in medieval Dublin: their history and archaeology’, in John Bradley, Alan Fletcher, Anngret Simms, eds, Dublin in the Medieval World: Studies in honour of Howard B. Clarke (Dublin: Four Courts, 2009), pp. 202-48. [with Linzi Simpson]
- ‘Ireland, c.1000-c.1100’, in Pauline Stafford (ed.), A companion to the early Middle Ages. Britain and Ireland c.500-c.1100 (London: Wiley-Blackwell, 2009), 285-302.
- ‘Henry II and England's insular neighbours’, in Christopher Harper-Bill and Nicholas Vincent, eds, Henry II: New interpretations (Woodbridge: Boydell, 2007), pp. 129–53.
- ‘Town and crown: the kings of England and their city of Dublin’, in Michael Prestwich, Richard Britnell and Robin Frame, eds, Thirteenth Century England X. Proceedings of the Durham Conference 2003 (Woodbridge: Boydell, 2005), pp. 95–117.
- ‘The lords of Galloway, earls of Carrick, and the Bissets of the Glens: Scottish settlement in thirteenth-century Ulster’ in David Edwards, ed., Regions and Rulers in Ireland, 1100-1650 (Dublin: Four Courts, 2004), pp. 37-50.
- ‘The British perspective’, in S.H. Rigby (ed.), A companion to Britain in the later middle ages (Oxford: Blackwell Publishers, 2003), 165-83.
- ‘Historical revisit: Goddard Henry Orpen, Ireland under the Normans, 1169-1333 (1911-20)’, Irish Historical Studies, 37 (2000), 246-59.
- ‘John and the origins of England’s Irish problem’, in S.D. Church (ed.), King John: new interpretations (Woodbridge: Boydell Press, 1999), 221-45.
- ‘King John's expedition to Ireland, AD 1210: the evidence reconsidered’, Irish Historical Studies, 40 (1996), 1-24.
- ‘The first Ulster plantation: John de Courcy and the men of Cumbria’, in R. Frame, K. Simms, T Barry (eds), Colony and frontier in medieval Ireland: essays presented to J.F. Lydon (London: Hambledon Press, 1995), 1-27.
- ‘Irishmen and Islesmen in the kingdoms of Dublin and Man, 1052-1171’, Ériu, 43 (1992), 93-133.
- ‘The Bruce brothers and the Irish Sea world, 1306-29’, Cambridge Medieval Celtic Studies, 21 (1991), 55-86.
Teaching and Supervision
Professor Duffy currently teaches Sophister courses on ‘The English in Medieval Ireland’ and on ‘Medieval Dublin’ and teaches and coordinates the following Freshman courses:
- ‘Ireland, 1000-1250: Brian Boru to the English Invasion’.
- ‘Ireland, 1250-1500: Gaelic Revival and English Pale’.
- ‘Doing History’.
At postgraduate level he teaches modules on the MPhil in Medieval History and supervises graduate students on all aspects of medieval Irish history.
Department of History
Telephone: +353 1 896 1801
Fax: +353 1 896 3995