Sir Thomas Trenchard was an English politician who sat in the House of Commons

House of Commons of England

The House of Commons of England was the lower house of the Parliament of England from its development in the 14th century to the union of England and Scotland in 1707, when it was replaced by the House of Commons of Great Britain...

 at various times between 1621 and 1648.

Trenchard was the son of Sir George Trenchard of Warmwell and his wife Ann Speke daughter of Sir George Speke of Whitelackington. He was knighted at Theobalds on 15 December 1613. He was some time High Sheriff of Dorset

High Sheriff of Dorset

The High Sheriff of Dorset is an ancient High Sheriff title which has been in existence for over one thousand years. The position was once a powerful position responsible for collecting taxes and enforcing law and order in Dorset. In modern times the sheriff has become a ceremonial role, presiding...

.

In 1621, Trenchard was elected Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Dorset

Dorset (UK Parliament constituency)

Dorset was a county constituency covering Dorset in southern England, which elected two Members of Parliament , traditionally known as knights of the shire, to the House of Commons of England from 1290 until 1707, to the House of Commons of Great Britain from 1707 to 1800, and to the House of...

. In April 1640, he was elected MP for Bridport

Bridport (UK Parliament constituency)

Bridport was a parliamentary borough in Dorset, which elected two Members of Parliament to the House of Commons from 1295 until 1868, and then one member from 1868 until 1885, when the borough was abolished.-History:...

 in the Short Parliament

Short Parliament

The Short Parliament was a Parliament of England that sat from 13 April to 5 May 1640 during the reign of King Charles I of England, so called because it lasted only three weeks....

. In 1645, he was re-elected MP for Dorset for the Long Parliament

Long Parliament

The Long Parliament was made on 3 November 1640, following the Bishops' Wars. It received its name from the fact that through an Act of Parliament, it could only be dissolved with the agreement of the members, and those members did not agree to its dissolution until after the English Civil War and...

 and sat until 1648 when he was excluded under Pride's Purge

Pride's Purge

Pride’s Purge is an event in December 1648, during the Second English Civil War, when troops under the command of Colonel Thomas Pride forcibly removed from the Long Parliament all those who were not supporters of the Grandees in the New Model Army and the Independents...

.

Trenchard married Elizabeth Morgan. He had a son Thomas who was the father of John Trenchard

John Trenchard (Secretary of State)

Sir John Trenchard was an English politician belonging to an old Dorset family. His father was Thomas Trenchard of Wolverton , and his grandfather was Sir Thomas Trenchard of Wolverton...

Secretary of State.