 He was a member of the House of Commons Select Committee on Housing and Town Planning and of a Home Office Departmental Committee on Accidents in Factories and Workshops.After the First World War, Vivian became an enthusiastic supporter of the League of Nations and he was chairman of his local branch of the League of Nations Union in Hornsey.Vivian died on 30 May 1930 aged 62 years at his home, The Limes, Crouch End Hill in Hornsey.