Baron Erskine,^[2] ofRestormel Castle in the County ofCornwall, is a title in thePeerage of the United Kingdom,^[3] since 1960 a subsidiary title of theearldom of Buchan. It was created on 10 February 1806 for the HonourableThomas Erskine on his appointment asLord High Chancellor of Great Britain, a post he held until the following year. He was the third and youngest son ofHenry Erskine, 10th Earl of Buchan (see Earl of Buchan for earlier history of the family). Lord Erskine was succeeded by his eldest son, the second Baron. He was a diplomat. His two eldest sons, the third and fourth Barons, succeeded successively. The latter was succeeded by his son, the fifth Baron. He was aDeputy Lieutenant ofNorthamptonshire. His grandson, the seventh Baron, succeeded in the earldom of Buchan in 1960 on the death of his kinsman, the fifteenth Earl. The two titles have remained united since.

Several other members of this branch of the Erskine family may also be mentioned. The Very Reverend the Honourable Henry David Erskine (1786–1859), second son of the first Baron, wasDean of Ripon. The HonourableThomas Erskine (1788–1870), third son of the first Baron, was a Judge of theCourt of Common Pleas. The Honourable Esmé Stuart Erskine (1789–1817), fought at theBattle of Waterloo where he lost an arm. The HonourableEdward Erskine, fourth son of the second Baron, was a diplomat and served asEnvoy Extraordinary and Minister Plenipotentiary to Greece and toSweden.James Stuart Erskine (1821–1904), fifth son of the second Baron, was createdFreiherr Erskine byLudwig II of Bavaria.^[4]

• Thomas Erskine, 1st Baron Erskine (1749/50–1823)
• David Montagu Erskine, 2nd Baron Erskine (1777–1855)
• Thomas Americus Erskine, 3rd Baron Erskine (1802–1877)
• John Cadwallader Erskine, 4th Baron Erskine (1804–1882)
• William Macnaghten Erskine, 5th Baron Erskine (1841–1913)
• Montagu Erskine, 6th Baron Erskine (1865–1957)
• Donald Cardross Flower Erskine, 16th Earl of Buchan, 7th Baron Erskine (1899–1984)^[5]

For further Barons Erskine, seeEarl of Buchan.

• Hesilrige, Arthur G. M. (1921).Debrett's Peerage and Titles of courtesy.London:Dean & Son. p. 352.

• Hansard 1803–2005:contributions in Parliament by Thomas Erskine, 3rd Baron Erskine
• Hansard 1803–2005:contributions in Parliament by William Erskine, 5th Baron Erskine
• Hansard 1803–2005:contributions in Parliament by Montagu Erskine, 6th Baron Erskine

• Clan Erskine
• Noble titles created in 1806
• Peerages created for UK MPs
• Baronies in the Peerage of the United Kingdom
• Peerages created for lord high chancellors of Great Britain

• Articles with short description
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• Use dmy dates from April 2022