From the Telegraph and Times of 20 March 2017: CHARTERIS OF AMISFIELD Gay, on 14th March 2017. Widow of Martin, Lord Charteris of Amisfield, beloved mother and grandmother. Funeral at St. Peter's Church, Stanway, GL54 5PQ on Monday 3rd April, at 2.30 pm.
She was Hon (Mary) Gay Hobart MARGESSON d of 1st Viscount MARGESSON (1890-1965, gt gs of 6th Earl of BUCKINGHAMSHIRE) and Frances Howard LEGGETT (1896-1977). She m 1944 the royal courtier and LP Baron CHARTERIS OF AMISFIELD (1913-99) gs of the 11th Earl of WEMYSS and, maternally, gs of 8th Duke of RUTLAND, and had two sons and a dau.