Mrs. Thomas Gage is a 1771 oil painting on canvas by John Singleton Copley.
The portrait depicts Margaret Kemble Gage, the American-born wife of the British General Thomas Gage, commander-in-chief of the British forces in North America. It was painted in New York during a six-month stay there by Bostonian Copley. The work was displayed at the Society of Artists Exhibition of 1772 in London.
See also Portrait of Thomas Gage, Copley's 1768 painting of her husband
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