WalterMonckton was born in Plaxtol, Kent on 17th January, 1891.
In January 1957 Monckton was elevated to the peerage.
After leaving the House of Commons Viscount Monckton of Brenchley was Chairman of Midland Bank (1957-64), President of the MCC (1956-57), Chairman of the Iraq Petroleum Company (1958), Chairman of the Advisory Commission on Central Africa (1960), and Chancellor of the University of Sussex (1961-65).