Sir Alexander Cadogan.
Christie's, London, 9 June 1978, lot 31 (as Portrait Study of Lady Acheson).
Private collection, acquired from the above.
By descent to the present owner.
D.McKibbin, Sargent's Boston: With an Essay & a Biographical Summary & a Complete Check List of Sargent's Portraits, Boston, Massachusetts, 1956, pp. 81, 87 (as Lady Theodosia (Acheson) Cadogan and Lady Theodosia Acheson).