Painter of figure subjects and latterly of Indian life, born in London, daughter of Reginald Brett, 2nd Viscount Esher. She studied at Slade School of Fine Art, 1910–16. Showed in England at NEAC and elsewhere and in America, having a retrospective at America British Gallery, New York, 1950. She had gone to live in New Mexico in 1924 with the writer D H Lawrence and his wife. She remained there, dying in Taos. In 1933 she published the book Lawrence and Brett: a Friendship. Tate Gallery holds her work. Although formally known as The Hon. Dorothy Brett she came to be known to friends just by her surname.