Kenneth Mackenzie, Lord Fortrose

Kenneth Mackenzie, Lord Fortrose (1717 – 18 October 1761)[1] was a British politician and (by right of his ancestry) Chief of the Highland Clan Mackenzie.


Kenneth Mackenzie's mother Mary (pictured) was the only daughter and heiress of Nicholas Kennet of Coxhoe.

Mackenzie was the eldest son of William Mackenzie, 5th Earl of Seaforth (died 1740) by his wife Mary, only daughter and heiress of Nicholas Kennet of Coxhow [Coxhoe in Kelloe parish, County Durham[2]]. His father had taken part in the Jacobite rising of 1715 and had forfeited his estates and title under the Act of Attainder of 1716.[3]


Mackenzie supported the Government during the Jacobite rising of 1745. He represented the constituencies of Inverness Burghs between 1741 and 1747, and Ross-shire between 1747 and 1761.[3]

He died in London on 18 October 1761 and was buried in Westminster Abbey.[3]


Mackenzie married (11 September 1741) Mary, eldest daughter of Alexander Stewart, 6th Earl of Galloway. She died on 10 April 1751. Their children were:[3]

  • Kenneth Mackenzie, 1st Earl of Seaforth, who married, first, Lady Caroline Stanhope and, second, Harriet Lamb; he had one child from his first marriage
  • Margaret Mackenzie, who married (4 June 1785) William Webb, no known children.
  • Mary Mackenzie (died 29 January 1826), who married Henry Howard and had one child[1]
  • Agnes Mackenzie, who married J. Douglas, no known children.
  • Catherine Mackenzie, who married (1 March 1773) Thomas Griffin Tarpley, had at least one child.
  • Frances Mackenzie, who married Joseph Wall (later hanged for flogging soldiers to death), and had children.
  • Euphemia Mackenzie (died 14 February 1817), who married William Stewart of Castle Stewart and had children[1]


  1. ^ a b c Mosley, Charles, editor. Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes. Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003. Volume 1, page 977.
  2. ^ Surtees, Robert (1816). The History and Antiquities of the County Palatine of Durham. pp. Vol. 1 p. 72.
  3. ^ a b c d Sir James Balfour Paul, The Scots Peerage, volume VII (Edinburgh, David Douglas, 1910), at page 512
Preceded by
William Mackenzie
Chief of Clan Mackenzie
Succeeded by
Kenneth Mackenzie
Parliament of Great Britain
Preceded by
Duncan Urquhart
Member of Parliament for Inverness Burghs
Succeeded by
Alexander Brodie
Preceded by
Sir Harry Munro, Bt
Member of Parliament for Ross-shire
Succeeded by
James Stuart-Mackenzie