The title of Earl of Kinnoull was created in 1633 in the Peerage of Scotland. Other associated titles are: Viscount Dupplin (created 1627), Lord Hay of Kinfauns (1627) and Baron Hay of Pedwardine (1711). The former two are in the Peerage of Scotland, while the last is in the Peerage of Great Britain. The title of Viscount Dupplin is the courtesy title for the Earl's eldest son and heir.

The family seat is Dupplin Castle , just outside of Perth, in Scotland.

Earls of Kinnoull (1633)

• George Hay, 1st Earl of Kinnoull (d. 1634)
• George Hay, 2nd Earl of Kinnoull (d. 1644)
• George Hay, 3rd Earl of Kinnoull (d. 1650)
• William Hay, 4th Earl of Kinnoull (d. 1677)
• George Hay, 5th Earl of Kinnoull (d. 1687)
• William Hay, 6th Earl of Kinnoull (d. 1709)
• Thomas Hay, 7th Earl of Kinnoull (d. 1719)
• George Henry Hay, 8th Earl of Kinnoull (1689-1758)
• Thomas Hay, 9th Earl of Kinnoull (1710-1787)
• Robert Auriol Hay, 10th Earl of Kinnoull (1751-1804)
• Thomas Robert Hay, 11th Earl of Kinnoull (1785-1866)
• George Hay, 12th Earl of Kinnoull (1827-1897)
• Archibald Fitzroy George Hay, 13th Earl of Kinnoull (1855-1916)
• George Harley Hay, 14th Earl of Kinnoull (1902-1938)
• Arthur William George Patrick Hay, 15th Earl of Kinnoull (b. 1935)