Evelyn Edward Boscawen succeeded as 6th Viscount on the death of his cousin the 2nd Earl Falmouth on 29th August 1852. He was very well known in racing circles as the owner of many successful horses, whose portraits are at Tregothnan. Kingcraft won the Derby in 1870 and Silvio won the Derby and St. Leger in 1877. He died in 1891.