Courcy [Courci], John de
- Seán Duffy
Courcy [Courci], John de (d. 1219?), conqueror of Ulster, styled by contemporaries prince of Ulster, is of uncertain parentage. He was without doubt a member of the well-known family who took their name from Courcy-sur-Dives in Calvados and who were lords of Stoke Courcy (Stogursey)...