 Arthur Hope succeeded to the barony on the death of his father, the 1st Baron on 14 February 1949.Hope died on 26 May 1958 at the age of 61.On 2 June 1919, at the age of 22, Hope married Grizel Gilmour, the second daughter of Brigadier-General Sir Robert Gordon Gilmour (1857–1939) and Lady Susan Lygon (1870–1962).