Thomas Mostyn

Sir Thomas Mostyn, 4th Baronet (26 April 1704 – 1758), of Mostyn, Flintshire, was a British landowner and Tory politician who sat in the House of Commons between 1734 and 1758.

Early life Mostyn was the eldest son of Sir Roger Mostyn, 3rd Baronet, of Mostyn and Leighton, and his wife Essex Finch daughter of Daniel Finch, 2nd Earl of Nottingham. He was educated at Westminster School in 1716 and matriculated at Christ Church, Oxford on 13 October 1720, aged 16. He travelled extensively in Europe from October 1723 until May 1728. His main interest was literature and he collected books and manuscripts. He married Sarah Western, daughter. of Robert Western of St Peters Cornhill, London and Rivenhall Essex in about 1733. He was returned unopposed again for Flintshire at the 1754 British general election.

Death and legacy Mostyn died on 24 March 1758 leaving four sons and five daughters. His wife Sarah survived to 1783. He was succeeded in the baronetcy by his son Roger. His daughter Anne, became the second wife of Thomas Pennant of Downing Hall, the naturalist and traveller in 1777.