Viscount Macmillan of Ovenden, of Chelwood Gate in East Sussex and of Stockton-on-Tees in Cleveland is in Viscountcies of England Alphabetically.
On 10th February 1984 Harold Macmillan 1st Earl Stockton [aged 90] was created 1st Earl of Stockton, 1st Viscount Macmillan of Ovenden, of Chelwood Gate in East Sussex and of Stockton-on-Tees in Cleveland.
On 29th December 1986 Harold Macmillan 1st Earl Stockton [aged 92] died. His grandson Alexander [aged 43] succeeded 2nd Earl of Stockton, 2nd Viscount Macmillan of Ovenden, of Chelwood Gate in East Sussex and of Stockton-on-Tees in Cleveland.