[1] On leaving school Keate was articled as clerk to Robert Palmer, steward to the Duke of Bedford.

Fanny Burney describes Keate in her Early Diary, especially his habit of talking about his own works.

Other stories of Keate are in Richard Brinsley Peake's Memoirs of the Colman Family, and Mary Delany in her Autobiography describes visiting his museum in 1779.

[1] During the last few years of life his health visibly declined, and he died suddenly at 10 Charlotte Street, Bloomsbury, on 28 June 1797.

269–74; and he wrote prologues and epilogues for the dramatic representations at Newcome's School in Hackney, besides adapting Voltaire's Sémiramis for the stage.

Their issue was one daughter, Georgiana Jane Keate afterwards Mrs. Henderson (1770–1850), who exhibited four pictures at the Society of Artists in 1791, and painted from memory a portrait of Prince Lee Boo, fifteen months after his death, for her father's account of the Pelew islands.

(1764–1843), of Adelphi Terrace, London, one of the early patrons of Thomas Girtin and J. M. W. Turner, and himself an amateur artist.

There are portraits of the mother by Angelica Kauffman and John Russell, R.A. She died 8 January 1850, and was buried in her husband's grave at Kensal Green Cemetery.