Baron Mostyn, of Mostyn in the County of Flint, is a title in the Peerage of the United Kingdom

Peerage of the United Kingdom

The Peerage of the United Kingdom comprises most peerages created in the United Kingdom of Great Britain and Ireland after the Act of Union in 1801, when it replaced the Peerage of Great Britain...

. It was created in 1831 for Sir Edward Lloyd, 2nd Baronet

Edward Lloyd, 1st Baron Mostyn

Edward Pryce Lloyd, 1st Baron Mostyn , known as Sir Edward Lloyd, 2nd Baronet, from 1795 to 1831, was a British politician....

, who had earlier represented Flint Boroughs

Flint Boroughs (UK Parliament constituency)

Flint Boroughs was a parliamentary constituency in north-east Wales which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom and its predecessors, from 1542 until it was abolished for the 1918 general election.-Boundaries:From its first known general...

 and Beaumaris

Beaumaris (UK Parliament constituency)

Beaumaris was a parliamentary borough in Anglesey, which returned one Member of Parliament to the House of Commons of the Parliament of England from 1553, then to the Parliament of Great Britain from 1707 to 1800 and to the Parliament of the United Kingdom from 1801 to 1885, when the constituency...

 in the House of Commons

British House of Commons

The House of Commons is the lower house of the Parliament of the United Kingdom, which also comprises the Sovereign and the House of Lords . Both Commons and Lords meet in the Palace of Westminster. The Commons is a democratically elected body, consisting of 650 members , who are known as Members...

. His son, the second Baron, sat as a 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 Flintshire

Flintshire (UK Parliament constituency)

Flintshire was a parliamentary constituency in North-East Wales which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom from 1542 until it was abolished for the 1950 general election.- Boundaries :...

 and Lichfield

Lichfield (UK Parliament constituency)

Lichfield is a constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post system of election.- Boundaries :...

 and served as Lord Lieutenant of Merionethshire

Lord Lieutenant of Merionethshire

This is a list of people who served as Lord Lieutenant of Merionethshire. After 1762, all Lord Lieutenants were also Custos Rotulorum of Merionethshire...

. In 1831 Lord Mostyn assumed by Royal license the additional surname of Mostyn. His eldest son and heir the Hon. Thomas Lloyd-Mostyn

Thomas Lloyd-Mostyn

Thomas Edward Mostyn Lloyd-Mostyn , was a British Conservative Member of Parliament .Lloyd-Mostyn was the eldest son and heir apparent of Edward Lloyd-Mostyn, 2nd Baron Mostyn...

, who also represented Flintshire in Parliament, predeceased his father. Lord Mostyn was therefore succeeded by his grandson, the third Baron (the son of Hon. Thomas Lloyd-Mostyn). The 6th Baron died on 22 March 2011 and was succeeded by his only son.

The Baronetcy, of Pengwerra in the County of Flint, was created in the Baronetage of Great Britain in 1778 for Edward Lloyd, with remainder to his nephews. He was succeeded according to the special remainder by his eldest nephew, the aforementioned second Baronet, who was elevated to the peerage in 1831.

The holders of the barony from the 6th Baron onwards have not successfully proven their succession to the baronetcy and therefore do not appear on the Official Roll of the Baronetage (for more information follow this link).

Lloyd Baronets, of Pengwerra (1778)

• Sir Edward Pryce Lloyd, 1st Baronet (c. 1710–1795)
• Sir Edward Pryce Lloyd, 2nd Baronet (1768–1854) (created Baron Mostyn in 1831)

Barons Mostyn (1831)

• Edward Pryce Lloyd, 1st Baron Mostyn (1768–1854)
• Edward Mostyn Lloyd-Mostyn, 2nd Baron Mostyn (1795–1884)
  • Hon. Thomas Edward Lloyd-Mostyn
    Thomas Lloyd-Mostyn
    Thomas Edward Mostyn Lloyd-Mostyn , was a British Conservative Member of Parliament .Lloyd-Mostyn was the eldest son and heir apparent of Edward Lloyd-Mostyn, 2nd Baron Mostyn...
    
    (1830–1861)
• Llewelyn Nevill Vaughan Lloyd-Mostyn, 3rd Baron Mostyn (1856–1929)
• Edward Llewellyn Roger Lloyd-Mostyn, 4th Baron Mostyn (1885–1965)
• Roger Edward Lloyd Lloyd-Mostyn, 5th Baron Mostyn (1920–2000)
• Llewellyn Roger Lloyd Lloyd-Mostyn, 6th Baron Mostyn (1948–2011)
• Gregory Philip Roger Mostyn, 7th Baron Mostyn (b. 1984)

The heir presumptive to the barony is Roger Hugh Lloyd-Mostyn (b. 1941).