MOSTYN, Thomas (c.1676-1737), of Rhyd, Flints.
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Family and Education
b. c.1676, 2nd s. of Sir Thomas Mostyn, 2nd Bt.†, and bro. of Sir Roger Mostyn, 3rd Bt.* educ. Christ Church, Oxf. matric. 24 Oct. 1692, aged 16. m. his cos. Margaret, da. and h. of William Mostyn of Rhyd, s.p.1
?Gent. pens., 1688–90.2
Sheriff, Flints. 1707–8.
Curiously, perhaps because he may have been at the time the better placed financially, Thomas Mostyn preceded his elder brother Sir Roger into Parliament as the family candidate for Flint Boroughs in 1698. Like his brother, he seems to have been a committed High Church Tory, though in contrast to Sir Roger he was an inactive Member. He was classed as a supporter of the Country party in a comparative analysis of the old and new Parliaments in about September 1698 and soon afterwards was forecast as a likely opponent of a standing army. On 16 Dec. 1699 he was given three weeks’ leave of absence; and he did not figure on any subsequent parliamentary lists until his second spell in the Commons. After standing down in the general election of 1702, he was returned in his brother’s place at Flint Boroughs at a by-election, Sir Roger having attained the greater distinction of knight of the shire for Cheshire, and voted with him in favour of the Tack on 28 Nov. 1704. At the following election Sir Roger was forced back to Flint Boroughs, and Thomas’ parliamentary career came to an abrupt end. Mostyn died on 21 Dec. 1737.3