Sir Roger Mostyn, 5th Baronet (13 November 1734 – 26 July 1796) was a Welsh landowner and politician who sat in the

House of Commons The House of Commons is the name for the elected lower house of the Bicameralism, bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of ...

for 38 years from 1758 to 1796.

Early life and inheritance

Mostyn was the son of Sir Thomas Mostyn, 4th Baronet of

Mostyn Hall Mostyn Hall is a large house standing in 25 acres (10 hectares) of garden near the village of Mostyn, Flintshire, Wales. It is designated by Cadw as a Grade I listed building. History It is not known for how long a building has been present ...

Flintshire Flintshire () is a county in the north-east of Wales. It borders the Irish Sea to the north, the Dee Estuary to the north-east, the English county of Cheshire to the east, Wrexham County Borough to the south, and Denbighshire to the west. ...

and his wife Sarah Western, daughter and co-heiress of Robert Western of London. His great-grandfather was

Daniel Finch, 2nd Earl of Nottingham Daniel Finch, 2nd Earl of Nottingham, 7th Earl of Winchilsea PC (2 July 16471 January 1730) was an English Tory politician and peer who supported the Hanoverian Succession in 1714. Known as Lord Nottingham until 1729, then as Lord Winchilsea. ...

, son of the Lord Chancellor of England, Heneage Finch. Mostyn was educated at

Westminster School Westminster School is a Public school (United Kingdom), public school in Westminster, London, England, in the precincts of Westminster Abbey. It descends from a charity school founded by Westminster Benedictines before the Norman Conquest, as do ...

from 1745 to 1751 and matriculated at

Christ Church, Oxford Christ Church (, the temple or house, ''wikt:aedes, ædes'', of Christ, and thus sometimes known as "The House") is a Colleges of the University of Oxford, constituent college of the University of Oxford in England. Founded in 1546 by Henry V ...

in 1751. On the death of his father on 24 March 1758 he succeeded to the

baronetcy A baronet ( or ; abbreviated Bart or Bt) or the female equivalent, a baronetess (, , or ; abbreviation Btss), is the holder of a baronetcy, a hereditary title awarded by the British Crown. The title of baronet is mentioned as early as the 14th ...

. He married Margaret Wynn, daughter of Rev. Hugh Wynn, DD, prebendary of Salisbury on 19 May 1766. She was heiress of her father and two uncles

Robert Wynne Robert John Wynne (November 18, 1851 – March 11, 1922) was an American who served as United States Postmaster General from 1904 to 1905, and as Consul General at the American embassy in the United Kingdom from 1905 to 1910. He was also a ...

and Evan Lloyd Vaughan. He inherited a number of estates, including the seat at Mostyn, in both Wales and Cheshire. and £60,000 from his unmarried uncle, Savage Mostyn.

Political career

Mostyn was returned unopposed as Member of Parliament for

at a by-election on 26 April 1758 replacing his late father. His family had the dominant electoral interest in Flintshire and he was returned unopposed at general elections in 1761, 1768, 1774, 1780, 1784, 1790 and 1796. Mostyn was a Whig whose voting record became a concern to his constituents, and in 1784 his brother-in-law,

Thomas Pennant Thomas Pennant (16 December 1798) was a Welsh natural history, naturalist, traveller, writer and antiquarian. He was born and lived his whole life at his family estate, Downing Hall, near Whitford, Flintshire, in Wales. As a naturalist he had ...

of Downing, threatened to create an opposition although nothing came of it. Mostyn served as Lord Lieutenant of Flintshire from 1761 to his death and Custos Rotulorum of Flintshire from 1772 to his death. He was a Lieutenant-Colonel in the Flintshire Militia.

Later life and legacy

Mostyn died on 26 July 1796, "much regretted and esteemed for his many public and private virtues". He and his wife Margaret had a son Thomas and 6 daughters. He was succeeded in the baronetcy and Parliamentary seat by Thomas, who died unmarried, causing the baronetcy to become extinct. Of his daughters, Charlotte married Sir Thomas Swymmer Mostyn-Champneys, 2nd Bt, Elizabeth married Sir Edward Pryce Lloyd, 2nd Bt and Anna-Maria married Sir Robert Williames Vaughan, 2nd Bt, while Catherine, Essex and Maria Bridget were unmarried.

References

{{DEFAULTSORT:Mostyn, Roger 5th Bt 1734 births 1796 deaths Alumni of Christ Church, Oxford Baronets in the Baronetage of England Members of the Parliament of Great Britain for Welsh constituencies British MPs 1754–1761 British MPs 1761–1768 British MPs 1768–1774 British MPs 1774–1780 British MPs 1780–1784 British MPs 1784–1790 British MPs 1790–1796 Lord-lieutenants of Flintshire

Roger Roger is a masculine given name, and a surname. The given name is derived from the Old French personal names ' and '. These names are of Germanic languages">Germanic origin, derived from the elements ', ''χrōþi'' ("fame", "renown", "honour") ...