Dorothy Evelyn Augusta Wood, Countess of Halifax (née Onslow; 7 February 1885 – 2 February 1976), styled as the Lady Irwin from 1925 until 1934, was a British aristocrat, courtier, and Vicereine of India.
Born at Richmond Terrace, Whitehall, London, she was the daughter of William Onslow, 4th Earl of Onslow, Governor-General of New Zealand, and Hon.
[1][2] Her brother, Richard William Alan Onslow, was a prominent politician and succeeded to the Earldom of Onslow.
[3][4] She was the wife of Viceroy and Governor-General Edward Frederick Lindley Wood, 1st Earl of Halifax.
[2][5] Having succeeded the Countess of Reading in 1926 (and Viscountess Goschen in 1929), she was succeeded, as Viceregal-Consort of India, by The Countess of Willingdon in 1931.