Noël, Countess of Rothes died in her home in Hove, Sussex, on 12 September 1956, having suffered for some time from heart disease. She was buried next to her first husband in the Leslie vault at Christ's Kirk on the Green Churchyard in Leslie, Fife. A memorial plaque was erected in her honor on the west wall of the chancel of St Mary's Church in Fairford. It reads: "Noëlle, Widow of the 19th Earl of Rothes, and Beloved Wife of Col. Claud Macfie D.S.O. of Fayre Court, Fairford, At Rest 12 Sept. 1956. Holiness is an infinite compassion for others. Greatness is to take the common things of life and walk truly among them. Happiness is a great love and much serving."