Baron Aberdare, of Duffryn in the County of Glamorgan, is a title in the Peerage of the United Kingdom. It was created on 23 August 1873 for the Liberal politician Henry Bruce. He served as Home Secretary from 1868 to 1873. His grandson, the third Baron, was a soldier, cricketer and tennis player and a member of the International Olympic Committee. His son, the fourth Baron, held office in the Conservative administration of Edward Heath and was later a Deputy Speaker of the House of Lords. Lord Aberdare was one of the ninety-two elected hereditary peers that were allowed to remain in the House of Lords after the passing of the House of Lords Act 1999. As of 2017 the title is held by his son, the fifth Baron, who succeeded in 2005 and was elected to the House of Lords in 2009.
Peerages in the United Kingdom form a legal system comprising both hereditary and lifetime titles, composed of various ranks, and within the framework of the Constitution of the United Kingdom form a constituent part of the legislative process and the British honours system. The term peerage can be used both collectively to refer to the entire body of titled nobility, and individually to refer to a specific title. British peerage title holders are termed peers of the Realm.
The House of Lords Act 1999 is an Act of the Parliament of the United Kingdom that reformed the House of Lords, one of the chambers of Parliament. The Act was given Royal Assent on 11 November 1999. For centuries, the House of Lords had included several hundred members who inherited their seats ; the Act removed such a right. However, as part of a compromise, the Act did permit ninety-two hereditary peers to remain in the House on an interim basis. Another ten were created life peers to enable them to remain in the House.
Baron Trevethin, of Blaengawney in the County of Monmouth, is a title in the Peerage of the United Kingdom. It was created in 1921 for the prominent judge Sir Alfred Lawrence, Lord Chief Justice of England from 1921 to 1922.
Baron Rea, of Eskdale in the County of Cumberland, is a title in the Peerage of the United Kingdom. It was created in 1937 for the businessman and Liberal politician Sir Walter Rea, 1st Baronet, who had earlier represented Scarborough, Bradford North and Dewsbury in the House of Commons. He had already been created a Baronet, of Eskdale in the County of Cumberland, in 1935. He was succeeded by his eldest son, the second Baron. During the Second World War he served as personal staff officer to Brigadier Colin Gubbins, the Head of SOE, a key British intelligence and guerrilla operations agency. Lord Rea served as Leader of the Liberal Party in the House of Lords from 1955 to 1967. His daughter, the Right Hon. Ann Felicity Rea, married SOE veteran Malcolm Munthe in 1945. His nephew, the third Baron, who succeeded in 1981, was a physician. He was one of the ninety elected hereditary peers elected to remain in the House of Lords after the passing of the House of Lords Act 1999, and sat on the Labour benches. As of 2020 the titles are held by his son, the fourth Baron, who succeeded his father in that year.
In the United Kingdom, life peers are appointed members of the peerage whose titles cannot be inherited, in contrast to hereditary peers. With the exception of the Dukedom of Edinburgh awarded for life to Prince Edward in 2023, all life peerages conferred since 2009 have been created under the Life Peerages Act 1958 with the rank of baron and entitle their holders to sit and vote in the House of Lords, presuming they meet qualifications such as age and citizenship. The legitimate children of a life peer appointed under the Life Peerages Act 1958 are entitled to style themselves with the prefix "The Honourable", although they cannot inherit the peerage itself. Prior to 2009, life peers of baronial rank could also be so created under the Appellate Jurisdiction Act 1876 for senior judges.
Morys George Lyndhurst Bruce, 4th Baron Aberdare,, was a Conservative politician, and from 1999 until his death, one of ninety-two elected hereditary peers in the British House of Lords. He was the eldest son of Clarence Bruce, 3rd Baron Aberdare, and Margaret Bethune Black, and succeeded to his father's title on the latter's death in 1957.
Margaret Alison of Mar, 31st Countess of Mar is a Scottish hereditary peer and politician. She was a crossbench member of the House of Lords from 1975 to 2020 and was one of 92 hereditary peers elected to remain in the Lords in 1999. She is the holder of the original earldom of Mar, the oldest peerage title in the United Kingdom. She is the only suo jure countess and was the only female hereditary peer in the House of Lords from 2014 to 2020. She is also a farmer and former specialist goats cheesemaker in Great Witley, Worcestershire.
David Antony Fromanteel Lytton-Cobbold, 2nd Baron Cobbold, was a British hereditary peer and member of the House of Lords.
Christopher George Walter James, 5th Baron Northbourne, 6th Baronet, DL, FRICS, was a British farmer and aristocrat. He was one of the ninety hereditary peers elected to remain in the House of Lords after the passing of the House of Lords Act 1999 until his retirement in 2018, and sat as a crossbencher.
Following the enactment of the House of Lords Act 1999, the number of hereditary peers entitled to sit in the House of Lords was reduced to ninety-two. The Earl Marshal and the Lord Great Chamberlain were entitled to sit ex officio; the remaining ninety were elected by all the hereditary peers before the passing of the reform. Since November 2002, by-elections have been held to fill vacancies left by deaths, resignations or disqualifications of those peers. Since the passing of the House of Lords Reform Act 2014, by-elections have also been held to fill vacancies left by the retirements of those peers.
Jeffrey Richard de Corban Evans, 4th Baron Mountevans,, is a British hereditary peer and shipbroker, who served as Lord Mayor of London from 2015 to 2016.
Roualeyn Robert Hovell-Thurlow-Cumming-Bruce, 9th Baron Thurlow, is a British hereditary peer and chartered surveyor who sits as a crossbench member of the House of Lords.
Patrick John Tristram Lawrence, 5th Baron Trevethin and 3rd Baron Oaksey, is a British barrister, hereditary peer and crossbench member of the House of Lords. He was educated at Christ Church, Oxford.
Richard Hubert Gordon Gilbey, 12th Baron Vaux of Harrowden, is a British hereditary peer and crossbench member of the House of Lords.
Rupert Francis John Carington, 7th Baron Carrington,, is a British banker, hereditary peer and crossbench member of the House of Lords.
Daniel Nicholas Mosley, 4th Baron Ravensdale, 8th Baronet,, is a British hereditary peer and crossbench member of the House of Lords. He is an engineer, currently working as a project director for Atkins. His paternal great-grandfather was Oswald Mosley, leader and founder of the British Union of Fascists.
Richard John Denison, 9th Baron Londesborough, is a British hereditary peer and crossbench member of the House of Lords.
James Meston, 3rd Baron Meston is a British hereditary peer, a lawyer, and a crossbench member of the House of Lords.
