It was created in 1858 for the former Conservative Member of Parliament, Sir John Yarde, 3rd Baronet.
As of 2023[update] the titles are held by his great-great-great-great-grandson, the sixth Baron, who succeeded his father in that year.
The baronetcy, of Lupton House in the County of Devon, was created in the Baronetage of Great Britain on 13 January 1790 for the lawyer Sir Francis Buller.
The Barons Churston are related to the Viscounts Dilhorne and the Aga Khans.
Sir Edward Manningham-Buller, 1st Baronet, of Dilhorne, third son of Sir Francis Yarde, 2nd Baronet, of Churston Court, was the great-grandfather of Reginald Manningham-Buller, 1st Viscount Dilhorne.