Coucy is the name or part of the name of several communes in France:
Coucy-la-Ville, in the Aisne département, very close to Coucy-le-Château-Auffrique, in the Aisne département, location of: Château de Coucy Lord of Coucy, a medieval lordship linked to the Château (see below) Coucy, Ardennes, in the Ardennes département Coucy-lès-Eppes in the Aisne département
People
Marie de Coucy (c.1218–1285), Queen-consort of Scotland, wife to Alexander II of Scotland, daughter to Enguerrand III below. Robert De Coucy or Courcy, architect of Reims Cathedral, and his father of the same name.
Lords of Coucy: Enguerrand I, Lord of Coucy (1080–1116) Thomas, Lord of Coucy (1116–1130) and Count of Amiens. Enguerrand II, Lord of Coucy (1130–1149) Ralph I, Lord of Coucy (1149–1191) Enguerrand III, Lord of Coucy (1191–1246) Raoul II, Lord of Coucy (1246–1250) Enguerrand IV, Lord of Coucy (1250–1311) brother of Raoul II Enguerrand V, Lord of Coucy (1311–1321), son of Arnold III of Guînes and Alix Coucy. Grandson of Enguerrand III, Lord of Coucy William, Lord of Coucy (1321–1335) Enguerrand VI, Lord of Coucy (1335–1346) Enguerrand VII, Lord of Coucy (1346–1397)