Peter Mackay, 4th Earl of Inchcape

Kenneth Peter Lyle Mackay, 4th Earl of Inchcape (born 23 January 1943), known as Peter Inchcape, is an earl in the Peerage of the United Kingdom.
He owns an estate in Scotland at Carlock House, Glenapp, Ballantrae, Girvan, Ayrshire, and also has houses in London and Wiltshire, England.

Lord Inchcape married Georgina Nisbet on 7 June 1966, and they have three children -

• Lady Elspeth Pease Mackay, born 3 November 1972
• Lady Ailsa Fiona Stonor, born 1 April 1977 (married the Hon. William Stonor, son and heir of Lord Camoys, 20 March 2004)
• Fergus James Kenneth Mackay, Viscount Glenapp, born 9 July 1979

Inchcape is a nephew of the life peer Simon Mackay, Baron Tanlaw.

His heir, Viscount Glenapp, is married to Rebecca Jackson of Cottisford, Northamptonshire.

• Chairman of the Asia-Pacific Foundation, an antiterrorism think tank
• Deputy chairman of Austin Motors
• Director of Assam Oil & Natural Gas
• Trustee of the charity MapAction