The daughter of Admiral George Dundas, in 1809 she married Thomas Graham (d. 1822), and in 1827 the painter Augustus Wall Callcott; she was a prolific author of books on travel, art, and history, and a notable society hostess in Kensington.

REFERENCES TO Lady Maria Callcott [née Dundas]:

Sydney Smith to John Archibald Murray, 12 July 1813 in A Memoir of the Reverend Sydney Smith. By his Daughter, Lady Holland. With a Selection from his Letters, edited by Mrs. Austin 2 vols (London: Longman, Brown, Green, and Longmans, 1855)

John Whishaw to Thomas Smith, 11 November 1820 in The “Pope” of Holland House: Selections from the Correspondence of John Whishaw and his Friends 1813-1840 (London: T. Fisher Unwin, 1906)

Sydney Smith to Lady Holland, [19] September 1829 in A Memoir of the Reverend Sydney Smith. By his Daughter, Lady Holland. With a Selection from his Letters, edited by Mrs. Austin 2 vols (London: Longman, Brown, Green, and Longmans, 1855)

Sydney Smith to John Nicholas Fazakerly, October 1829 in A Memoir of the Reverend Sydney Smith. By his Daughter, Lady Holland. With a Selection from his Letters, edited by Mrs. Austin 2 vols (London: Longman, Brown, Green, and Longmans, 1855)