Hilda Gordon-Lennox, Duchess of Richmond

Hilda Madeline Gordon-Lennox, Duchess of Richmond, Lennox, and Gordon (née Brassey; 16 June 1872 – 29 December 1971) was a British aristocrat, horticulturist, and philanthropist. She was known as Lady Settrington from 1893 to 1903, and as Countess of March from 1903–28.

She was born at 51 Queen's Gate, Kensington, the daughter of Henry Brassey, M.P. and Anna Harriet Stevenson (died 15 July 1898), and granddaughter of the railway pioneer Thomas Brassey. She married Charles Gordon-Lennox, Lord Settrington in 1893.

She was elected a Fellow of the Royal Horticultural Society in 1902, and in 1927 she became the first chairman of the National Gardens Scheme.

The Duchess was closely involved with the Soldiers', Sailors', and Airmen's Families Association (SSAFA). She was national vice-chairman of the charity from 1925–45 and acting national chairman from 1939–41. and a close friend of Queen Elizabeth The Queen Mother. Charles Henry Gordon-Lennox, Lord Settrington (26 January 1899 – 24 August 1919) Frederick Charles Gordon-Lennox, 9th Duke of Richmond, 9th Duke of Lennox, 4th Duke of Gordon (5 February 1904 – 2 November 1989)