 She had also been active in a number of health organisations in her lifetime, including being a member of the North West Metropolitan Regional Hospital Board from 1954–66, chair of The Queen's Institute of District Nursing from 1961–71 and the North London Hospital Management Committee from 1963–66.In the 1960 New Year Honours, Brooke was appointed to the Order of the British Empire as a Dame Commander (DBE), for "political and public services".In 1964, she was raised to the peerage as Baroness Brooke of Ystradfellte, of Ystradfellte in the County of Brecknock and two years later her husband was created Baron Brooke of Cumnor.