Peerage
- Hay of Erroll:
- 1449: 1st Baron Hay of Erroll (Sir William Hay, ? – 1462)
- 1453: 1st Earl of Erroll (Sir William Hay, ? – 1462)
- 1462: 2nd Earl of Erroll (Nicholas Hay, ? – 1470)
- 1470: 3rd Earl of Erroll (William Hay, ? – 1507)
- 1507: 4th Earl of Erroll (William Hay, ? – 1513)
- 1513: 5th Earl of Erroll (William Hay, ? – 1541)
- 1541: 6th Earl of Erroll (William Hay, 1521 – 1541)
- 1541: 7th Earl of Erroll (George Hay, ? – 1573)
- 1573: 8th Earl of Erroll (Andrew Hay, ? – 1585)
- 1585: 9th Earl of Erroll (Francis Hay, 30 April 1564 – 16 July 1631)
- 16 July 1631: 10th Earl of Erroll (William Hay, ? – 1636)
- 1636: 11th Earl of Erroll (Gilbert Hay, ? – 1675)
- 1675: 12th Earl of Erroll (John Hay, ? – 1704)
- 1704: 13th Earl of Erroll (Charles Hay, ? – 1717)
- 1717: 14th Countess of Erroll (Mary Hay, ? – 19 August 1758)
- 19 August 1758: 15th Earl of Erroll (James Hay, 20 April 1726 – 3 July 1778)
- 3 July 1778: 16th Earl of Erroll (George Hay, 1767 – 1798)
- 1798: 17th Earl of Erroll (William Hay, 1772 – 1819)
- 1819: 18th Earl of Erroll (William George Hay, 1801 – 1846)
- 1846: 19th Earl of Erroll (William Harry Hayl, 1823 – 1891)
- 1891: 20th Earl of Erroll (Charles Gore Hay, 1852 – 1927)
- 1927: 21st Earl of Erroll (Victor Alexander Sereld Hay, 1876 – 1928)
- 1928: 22nd Earl of Erroll (Josslyn Victor Hay, 1901 – 1941)
- 1941: 23rd Countess of Erroll (Diana Denyse Hay, 5 January 1926 – 16 May 1978)
- 16 May 1978: 24th Earl of Erroll (Merlin Sereld Victor Gilbert Hay, 20 April 1948 – in life)
- Hay of Kinfauns:
- 4 May 1627: 1st Lord Hay of Kinfauns (George Hay, 1571 – 16 December 1634)
- 4 May 1627: 1st Viscount Dupplin (George Hay, 1571 – 16 December 1634)
- 25 May 1633: 1st Earl of Kinnoull (George Hay, 1571 – 16 December 1634)
- 16 December 1634: 2nd Earl of Kinnoull (George Hay, ? – 1644)
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- 1709: 7th Earl of Kinnoull (Thomas Hay, 1660 – 1719)
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- 1938: 15th Earl of Kinnoull Arthur William George Patrick Hay, [[1935 - in life)
- Hay of Cromlix:
- 5 October 1718: 1st Earl of Inverness (John Hay, 1691 – 1740)
- 5 October 1718: 1st Viscount of Innerpaphrie (John Hay, 1691 – 1740)
- 5 October 1718: 1st Lord Cromlix and Erne (John Hay, 1691 – 1740)
- Hay of Pedwardine:
- 31 December 1711: 1st Baron Hay of Pedwardine (George Hay, ? – 29 July 1758)
- Hay of Sawley:
- 29 June 1615: 1st Baron Hay of Sawley (James Hay, 1580 – 25 April 1636)
- 1622: 1st Earl of Carlisle (James Hay, 1580 – 25 April 1636)
- 25 April 1636 2nd Earl of Carlisle (James Hay, 1612 – 30 October 1660)
- Hay of Yester:
- 29 January 1488: 1st Lord Hay of Yester (John Hay, 1450 – October 1508)
- October 1508: 2nd Lord Hay of Yester (John Hay, ? – 9 September 1513)
- 9 September 1513: 3rd Lord Hay of Yester (John Hay, ? – 1543)
- 1543: 4th Lord Hay of Yester (John Hay, ? – 1557)
- 1557: 5th Lord Hay of Yester (William Hay, ? – August 1586)
- August 1586: 6th Lord Hay of Yester (William Hay, ? – 10 May 1591)
- 10 May 1591: 7th Lord Hay of Yester (James Hay, ? – 3 February 1609)
- 3 February 1609: 8th Lord Hay of Yester (John Hay, 1593 – 1653)
- 1646: 1st Earl of Tweeddale (John Hay, 1593 – 1653)
- 1653: 2nd Earl of Tweeddale (John Hay, 1626 – 1697)
- 1694: 1st Marquess of Tweeddale (John Hay, 1626 – 1697)
- 1697: 2nd Marquess of Tweeddale (John Hay 1645 – 1713)
- 1714: 1st Lord of Hay of Newhall (William Hay, 1689 – 31 October 1723)
- 31 October 1723: 2nd Lord of Hay of Newhall (John Hay, ? – 1743)
- 1743: 3rd Lord of Hay of Newhall (George Hay, ? – 1787)
- 1787: 4th Lord of Hay of Newhall (William Hay, ? – ?)
- 17..: 5th Lord of Hay of Newhall (Edward Hay, ? – ?)
- 17..: 6th Lord of Hay of Newhall (John Hay Mackenzie, ? – 1749)
- 1749: 7th Lord of Hay of Newhall (George Hay, ? – 1876)
- 1714: 1st Lord of Hay of Newhall (William Hay, 1689 – 31 October 1723)
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- 2005: 14th Marquess of Tweeddale (Charles David Montagu Hay 1947 – in life)
- 1697: 2nd Marquess of Tweeddale (John Hay 1645 – 1713)
- 1694: 1st Earl of Gifford
- 1694: 1st Viscount of Walden
- 1881: 1st Baron Tweeddale, of Yester in the County of Haddington
- 29 January 1488: 1st Lord Hay of Yester (John Hay, 1450 – October 1508)
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Read more about this topic: Clan Hay