 He was re-elected at the general election in October 1959, and held the seat until he stood down at the October 1974 general election.He was also a Member of the European Parliament from 1973 to 1975.He was Deputy Lieutenant of Wigtown from 24 January 1966 and Lord Lieutenant from 18 September 1981 

He married Faith Agnes Devorguilla daughter of daughter of Sir Edward McTaggart-Stewart 2nd Bt.