Simon Thelwall (by 1580 – 1663) was a Welsh

Member of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members of ...

. He was the eldest son of Edward Thelwall of Plas-y-Ward, Llanynys, Denbighshire. He succeeded his father in 1610, inheriting the recently purchased Branas estate. He was a

Justice of the Peace A justice of the peace (JP) is a judicial officer of a lower or ''puisne'' court, elected or appointed by means of a commission ( letters patent) to keep the peace. In past centuries the term commissioner of the peace was often used with the sa ...

for Merioneth from 1610 to 1642 and for Denbighshire from 1613 to c.1646 and from 1648 to his death. He was appointed

High Sheriff of Denbighshire The first High Sheriff of Denbighshire was John Salusbury, snr, appointed in 1540. The shrievalty of Denbighshire, together with that of Flintshire, continued until 1974 when it was abolished after the county and shrievalty of Clwyd was create ...

for 1611–12. He served as a Deputy Lieutenant of Denbighshire from 1660, probably until his death. He was elected MP for

Denbighshire Denbighshire ( ; cy, Sir Ddinbych; ) is a county in the north-east of Wales. Its borders differ from the historic county of the same name. This part of Wales contains the country's oldest known evidence of habitation – Pontnewydd (Bontnewy ...

in 1614. He married twice: firstly Jane, the daughter of Maurice Wynn of Gwydir, Llanrwst, Caernarvonshire, with whom he had three sons and a daughter and secondly Dorothy, the daughter of John Wyn Owen Vaughan of Llwydiarth, Montgomeryshire and the widow of Andrew Meredith of Glantanat, Llanrhaeadr-ym-Mochnant, Denbighshire, with whom he had three more sons and three more daughters.

References

* 1663 deaths Members of the Parliament of England for Denbighshire English MPs 1614 High Sheriffs of Denbighshire Year of birth uncertain Deputy Lieutenants of Denbighshire {{Wales-pre1707-MP-stub