James Buller (17 June 1717 – 30 April 1765)[3] of Morval in Cornwall and of Downes and King's Nympton in Devon, was a Member of Parliament for East Looe in Cornwall (1741-47) and for the County of Cornwall (1748-1765).
He was ancestor of the Viscounts Dilhorne and the Barons Churston and built the Palladian mansion Kings Nympton Park in Devon.
He was the eldest son of John Francis Buller (1695-1751), MP for Saltash 1718-1722, of Morval, Cornwall by his wife Rebecca Trelawney (d.1743), daughter and co-heiress of Sir Jonathan Trelawny, 3rd Baronet,[4] Bishop of Winchester.
[4] He was educated at Balliol College, Oxford.
[3] Buller was elected MP for East Looe in Cornwall in 1741 and represented that constituency until 1747[5][6] In 1748 he was elected MP for Cornwall, sitting until his death in 1765.