Patrick George Thomas Buchan-Hepburn, 1st Baron Hailes, GBE, CH, PC (2 April 1901 – 5 November 1974)[1] was a British Conservative politician and the only Governor-General of the short-lived West Indies Federation from 1958 to 1962.

In 1957, he was raised to the peerage as Baron Hailes of Prestonkirk in the County of East Lothian.

[6] Lord Hailes was appointed a Knight Grand Cross of the Order of the British Empire in September 1957.

Four years later, the new state was dissolved and he returned to England, where he served as Chairman of the Historic Buildings Council (a predecessor of English Heritage, formally known as the Historic Buildings and Monuments Commission for England).

He was step-father to Diana's son, Sir Nicholas Frederick Hedworth Williamson, 11th Baronet.