Isabella Susan Percy, Countess of Beverley (19 December 1750 – 24 January 1812), formerly Isabella Susan (or Susannah) Burrell, was the wife of Algernon Percy, 1st Earl of Beverley, and the mother of the 5th Duke of Northumberland.[1]
Isabella was the second daughter of Peter Burrell, a barrister, of Beckenham, Kent, and his wife, the former Elizabeth Lewis.[2] Her brother was Peter Burrell, 1st Baron Gwydyr. Two of her sisters married into the aristocracy: Elizabeth, who married the Duke of Hamilton (and later the Marquess of Exeter), and Frances, who became Duchess of Northumberland.
Isabella married the future earl on 8 June 1775, by special licence, at Syon House in London.[3][1] Their children were:
In 1786, Percy inherited the title of Lord Lovaine, and his wife became Lady Lovaine. In 1790, he was created 1st Earl of Beverley, and his wife became Countess of Beverley.[1] The countess died in 1812, aged 61, and was buried in the Northumberland Vault at Westminster Abbey.[10]
The Earl of Beverley died in October 1830, aged 80, and was succeeded by his eldest son, George, who later inherited the dukedom of Northumberland from his cousin, the 4th Duke, in 1865.
^ abcG.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 175.