The Lady Elizabeth Sarah Lavinia McCorquodale (born 19 March 1955) is the eldest daughter of John Spencer, 8th Earl Spencer and the Honourable Frances Burke Roche, and the older sister of Diana, Princess of Wales.
Lady Sarah was born The Honourable Elizabeth Sarah Lavinia Spencer; she acquired the courtesy title The Lady Elizabeth Sarah Lavinia Spencer in 1975, when her grandfather died and her father became the 8th Earl Spencer. She suffered from the eating disorder anorexia nervosa in her early twenties . She was educated firstly at Riddlesworth Hall in Norfolk and secondly at West Heath boarding school near Sevenoaks in Kent. She left West Heath after passing O Level exams to work in London.
She married Neil Edmund McCorquodale (born 1951), son of Alastair McCorquodale and Rosemary Sybil Turnor, on 17 May 1980 in Northamptonshire, England. Neil McCorquodale is a nephew of Lady Sarah's stepmother, Raine de Chambrun.