William Mayne, 1st Baron Newhaven
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William Mayne, 1st Baron Newhaven PC
(1722 – 28 May 1794), known as Sir William Mayne, Bt, between 1763 and 1776, was a British politician.
Mayne was the eldest son of the second marriage of William Mayne, of Powis Logie, Clackmannanshire
. He was returned to the Irish House of Commons
in 1761 for Carysfort
, a seat he held until 1776. He was created a Baronet, of Marston Mortaine in the County of Bedford, in the Baronetage of Great Britain in 1763 and sworn of the Irish Privy Council
in 1766. In 1774 he was elected to the British House of Commons
for Canterbury
. Two years later he was elevated to the Peerage of Ireland
as Baron Newhaven, of Carrick Mayne in the County of Dublin. He continued to represent Canterbury until 1780 and then sat for Gatton
until 1790.
Lord Newhaven married the Honourable Frances Allen, daughter of Joshua Allen, 2nd Viscount Allen
, and co-heir of her brother John Allen, 3rd Viscount Allen
, through which marriage he gained a considerable estate. They had one son who died in infancy. Lord Newhaven died in may 1794 when the baronetcy and barony became extinct.
Privy Council of Ireland
The Privy Council of Ireland was an institution of the Kingdom of Ireland until 31 December 1800 and of the United Kingdom of Great Britain and Ireland 1801-1922...
(1722 – 28 May 1794), known as Sir William Mayne, Bt, between 1763 and 1776, was a British politician.
Mayne was the eldest son of the second marriage of William Mayne, of Powis Logie, Clackmannanshire
Clackmannanshire
Clackmannanshire, often abbreviated to Clacks is a local government council area in Scotland, and a lieutenancy area, bordering Perth and Kinross, Stirling and Fife.As Scotland's smallest historic county, it is often nicknamed 'The Wee County'....
. He was returned to the Irish House of Commons
Irish House of Commons
The Irish House of Commons was the lower house of the Parliament of Ireland, that existed from 1297 until 1800. The upper house was the House of Lords...
in 1761 for Carysfort
Carysfort (Parliament of Ireland constituency)
Carysfort was a constituency represented in the Irish House of Commons to 1800.-History:In the Patriot Parliament of 1689 summoned by King James II, Carysfort was represented with two members.-1689–1801:...
, a seat he held until 1776. He was created a Baronet, of Marston Mortaine in the County of Bedford, in the Baronetage of Great Britain in 1763 and sworn of the Irish Privy Council
Privy Council of Ireland
The Privy Council of Ireland was an institution of the Kingdom of Ireland until 31 December 1800 and of the United Kingdom of Great Britain and Ireland 1801-1922...
in 1766. In 1774 he was elected to the British 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...
for Canterbury
Canterbury (UK Parliament constituency)
Canterbury is a county constituency which has been represented in the House of Commons of the Parliament of the United Kingdom since 1918. It elects one Member of Parliament by the first past the post system of election....
. Two years later he was elevated to the Peerage of Ireland
Peerage of Ireland
The Peerage of Ireland is the term used for those titles of nobility created by the English and later British monarchs of Ireland in their capacity as Lord or King of Ireland. The creation of such titles came to an end in the 19th century. The ranks of the Irish peerage are Duke, Marquess, Earl,...
as Baron Newhaven, of Carrick Mayne in the County of Dublin. He continued to represent Canterbury until 1780 and then sat for Gatton
Gatton (UK Parliament constituency)
Gatton was a parliamentary borough in Surrey, one of the most notorious of all the rotten boroughs. It elected two Members of Parliament to the House of Commons from 1450 until 1832, when the constituency was abolished by the Great Reform Act...
until 1790.
Lord Newhaven married the Honourable Frances Allen, daughter of Joshua Allen, 2nd Viscount Allen
Joshua Allen, 2nd Viscount Allen
Joshua Allen, 2nd Viscount Allen LLD was an Irish peer and politician.He was the son of John Allen, 1st Viscount Allen and succeeded to his father's titles on 8 November 1726. Between 1709 and 1727, he represented Kildare County in the Irish House of Commons.He married Margaret du Pass on 18...
, and co-heir of her brother John Allen, 3rd Viscount Allen
John Allen, 3rd Viscount Allen
John Allen, 3rd Viscount Allen was an Irish peer and politician.He was the son of Joshua Allen, 2nd Viscount Allen. Allen was a Member of Parliament for Carysfort from 1733 until 1742, when he succeeded his father as Viscount Allen...
, through which marriage he gained a considerable estate. They had one son who died in infancy. Lord Newhaven died in may 1794 when the baronetcy and barony became extinct.