Sophia Thornton, countess of Leven and Melville (1806–1834)
Sophia Leslie-Melville, countess of Leven and Melville (1834–1887) (1806–87)

Daughter of Henry Thornton. Married John Thornton Leslie-Melville in 1834. Lived at Roehampton House, Roehampton, Surrey.

Sources

BMD (Death index)

Burke’s peerage

Census returns of England and Wales 1871 (The National Archives: Public Record Office RG10/1087/10/13)

London, England, baptisms, marriages and burials, 1538–1812 (Ancestry.com, accessed 10 November 2014)

London, England, marriages and banns, 1754–1921 (Ancestry.com, accessed 10 November 2014)