The daughter of Thomas Master, MP; in 1801 she married John Thynne, afterwards third Baron Carteret of Hawnes; she was lady of the bedchamber to Princess Sophia.

REFERENCES TO Lady Mary Anne Thynne [née Master]:

John Whishaw to Thomas Smith, 6 April 1816 in The “Pope” of Holland House: Selections from the Correspondence of John Whishaw and his Friends 1813-1840 (London: T. Fisher Unwin, 1906)