Lord Ochiltree of Lord Stuart of Ochiltree was a title in the Peerage of Scotland

Peerage of Scotland

The Peerage of Scotland is the division of the British Peerage for those peers created in the Kingdom of Scotland before 1707. With that year's Act of Union, the Kingdom of Scotland and the Kingdom of England were combined into the Kingdom of Great Britain, and a new Peerage of Great Britain was...

. In 1542 Andrew Stewart, 2nd Lord Avondale

Andrew Stewart, 2nd Lord Avondale

Andrew Stewart, 2nd Lord Avondale or Andrew Stuart, 1st Lord Ochiltree, , Scottish peer.-Title:Andrew's father was the 1st Lord Avondale of a new creation, Andrew surrendered his title for a new investment as Lord Ochiltree. His seat became Ochiltree Castle in Ayrshire. The original Avondale lands...

 (see the Earl Castle Stewart

Earl Castle Stewart

Earl Castle Stewart, in the County of Tyrone, is a title in the Peerage of Ireland. It was created in 1800 for Andrew Stuart, 1st Viscount Castle Stuart. The Stewart family descends from Sir Walter Stewart , younger son of Murdoch Stewart, 2nd Duke of Albany, son of Robert Stewart, 1st Duke of...

 for earlier history of the family) exchanged the lordship of Avondale with Sir James Hamilton

James Hamilton of Finnart

Sir James Hamilton of Finnart was a Scottish nobleman and architect, the illegitimate son of James Hamilton, 1st Earl of Arran, and Mary Boyd of Bonshaw....

 for the lordship of Ochiltrie and by Act of Parliament was ordained to be styled Lord Stuart of Ochiltrie. His great-grandson, the third Lord Stuart of Ochiltrie, resigned the feudal barony of Ochiltree and the peerage to his cousin, Sir James Stuart, with the consent of the Crown in 1615. In 1619 he was instead elevated to the Peerage of Ireland

Peerage of Ireland

The Peerage of Ireland is the term used for those titles of nobility created by the English and later British monarchs of Ireland in their capacity as Lord or King of Ireland. The creation of such titles came to an end in the 19th century. The ranks of the Irish peerage are Duke, Marquess, Earl,...

 as Baron Castle Stewart; see the Earl Castle Stewart for further history of this branch of the family).

Sir James Stuart now became the first or fourth Lord Ochiltrie (or Lord Stuart of Ochiltrie). He was succeeded by his son William, the second or sixth Lord. On his early death in 1675 the lordship became either dormant or extinct.

A branch of the Ochiltree family is introduced at the Swedish House of Lords (Riddarhuset) under the name Stuart. Hans (Johannes) Stuart (d. 1618) obtained a letter of descent in Edinburgh in 1579 and a letter of arms at Holyrood Castle in Edinburgh from King James VI of Scotland in 1585.http://www.riddarhuset.se/jsp/index.jsp?id=553

Lords Ochiltree (1542)

• Andrew Stewart, 1st Lord Ochiltree
  Andrew Stewart, 2nd Lord Avondale
  Andrew Stewart, 2nd Lord Avondale or Andrew Stuart, 1st Lord Ochiltree, , Scottish peer.-Title:Andrew's father was the 1st Lord Avondale of a new creation, Andrew surrendered his title for a new investment as Lord Ochiltree. His seat became Ochiltree Castle in Ayrshire. The original Avondale lands...
  
   (c. 1505–1548)
• Andrew Stewart, 2nd Lord Ochiltree
  Andrew Stewart, 2nd Lord Ochiltree
  Andrew Stewart, 2nd Lord Ochiltree fought for the Scottish Reformation. His daughter married John Knox and he played a part in the defeat of Mary, Queen of Scots at the battle of Langside....
  
   (c. 1521–1591)
• Andrew Stuart, 3rd Lord Ochiltree
  Andrew Stuart, 1st Baron Castle Stuart
  Andrew Stuart, 1st Baron Castle Stuart was a son of Andrew Stewart, 2nd Lord Ochiltree and Agnes Cunningham.He resigned the feudal barony of Ochiltree and the peerage to his cousin, Sir James Stuart, with the consent of the Crown in 1615...
  
   (c. 1560–1629) (resigned lordship in 1615 and created Baron Castle Stewart in 1619)
• James Stewart, 4th Lord Ochiltree (1595–c. 1658)
• William Stewart, 5th Lord Ochiltree (c. 1659–1675)