# Peerage Act 1963

The Peerage Act 1963 (c. 48) is an Act of the Parliament of the United Kingdom that permits female hereditary peers and all Scottish hereditary peers to sit in the House of Lords and allows newly inherited hereditary peerages to be disclaimed.
A disclaimed peerage remains without a holder until the death of the disclaimer, and his heir succeeds to the peerage.

## Background

The Act resulted largely from the protests of Labour politician Tony Benn, then the 2nd Viscount Stansgate. Under British law at the time, peers of England, peers of Great Britain and peers of the United Kingdom who met certain qualifications, such as age (21), were automatically members of the House of Lords and could not sit in or vote in elections for the other chamber, the House of Commons.
At the time of the Act, thirty one peers in the Peerage of Scotland also had held titles in the respective peerages of England, Great Britain and the United Kingdom and were thus members of the House of Lords.
When William Wedgwood Benn, Tony Benn's father, agreed to accept the Viscountcy, he ascertained that the heir-apparent, his eldest son Michael, did not plan to enter the House of Commons. However, within a few years of the peerage being accepted, Michael Benn was killed in action in the Second World War. Tony Benn, his younger brother, became heir apparent to the peerage and was elected to the House of Commons in 1950. Not wishing to leave it for the other House, he campaigned through the 1950s for a change in the law. In 1960, the 1st Viscount died and Tony Benn inherited the title, automatically losing his seat in the House of Commons as a member for the constituency of Bristol South East. In the ensuing by-election, however, Benn was re-elected to the Commons, despite being disqualified. An election court ruled that he could not take his seat, instead awarding it to the runner-up, the Conservative Malcolm St Clair.
In 1963, the Conservative Government agreed to introduce a Peerage Bill, allowing individuals to disclaim peerages; it received royal assent on 31 July 1963. Tony Benn was the first peer to make use of the Act. St Clair, fulfilling a promise he had made at the time of taking his seat, accepted the office of Steward of the Manor of Northstead the previous day, thereby disqualifying himself from the House (outright resignation is prohibited), and Benn was then re-elected in Bristol South East at the ensuing by-election.

## Disclaiming peerages

To disclaim a hereditary peerage, the peer must deliver an instrument of disclaimer to the Lord Chancellor within one year of succeeding to the peerage, or within one year after the passage of the Act, or, if under the age of 21 at the time of succession, before the peer's 22nd birthday. If, at the time of succession, the peer is a member of the House of Commons, then the instrument must be delivered within one month of succession, and until such an instrument is delivered, the peer may neither sit nor vote in the lower House. Prior to the House of Lords Act 1999, a hereditary peer could not disclaim a peerage after having applied for a writ of summons to Parliament; now, however, hereditary peers do not have the automatic right to a writ of summons to the House. A peer who disclaims the peerage loses all titles, rights and privileges associated with the peerage; if they are married, so does their spouse. No further hereditary peerage may be conferred upon the person, but a life peerage may be. The peerage remains without a holder until the death of the peer who had made the disclaimer, whereupon it descends to his or her heir in the usual manner.
The one-year window after the passage of the Act soon proved to be of importance at the highest levels of British politics, after the resignation of Harold Macmillan as Prime Minister in October 1963. Two hereditary peers wished to be considered to replace him, but by this time it was considered requisite that a prime minister sit in the Commons. The 2nd Viscount Hailsham and the 14th Earl of Home took advantage of the Act to disclaim their peerages, despite having inherited them in 1950 and 1951 respectively. Sir Alec Douglas-Home, as Lord Home now became, was chosen as prime minister; both men later returned to the House of Lords as life peers.
Since the abolition in 1999 of the general right of hereditary peers to sit in the House of Lords, and the consequent removal of the general disability of such peers to sit in or vote for the House of Commons, it is no longer necessary for hereditary peers to disclaim their peerages for this purpose. In 2001, the 3rd Viscount Thurso became the first British hereditary peer to be elected to the Commons and take his seat. Later that year, Douglas Hogg inherited the Hailsham peerage his father (Quintin Hogg) had disclaimed, but did not have to disclaim it himself to continue sitting in the House of Commons. In 2004, Michael Ancram inherited the marquessate of Lothian on the death of his father, and was also able to continue sitting as an MP. On their retirements from the House of Commons, Lord Lothian and Lord Hailsham entered the House of Lords as life peers, while Lord Thurso was elected as an excepted hereditary peer after losing reelection as an MP. Since the chief purpose for the Act ended in 1999, there has only been one further disclaimer: Christopher Silkin, 3rd Baron Silkin, disclaimed his title in 2002. As of 2024, the barony of Silkin is the only title currently disclaimed under the terms of the Peerage Act 1963.
The Peerage Act 1963 only applies to titles held in the Peerage of England, the Peerage of Scotland, the Peerage of Great Britain, and the Peerage of the United Kingdom. No provision was made by the Act for titles in the Peerage of Ireland to be disclaimed, as the entitlement of new Irish representative peers to be elected to sit in the House of Lords was considered to have lapsed after most of Ireland became independent as the Irish Free State in December 1922 (and the last surviving Irish representative peer had died in 1961).

## List of disclaimed peerages

Key :
| ‡ | Indicates peerage which is currently disclaimed |
| Title(s) | Disclaimed by; life | Time disclaimed | Notes |
| Viscount Stansgate | Tony Benn 2nd Viscount 1925–2014 | 1963 to 2014 | Extant; inherited in 2014 by Stephen Benn, 3rd Viscount Stansgate |
| Baron Altrincham | John Grigg 2nd Baron 1924–2001 | 1963 to 2001 | Extant; inherited in 2001 by Anthony Grigg, 3rd Baron Altrincham |
| Earl of Home | Sir Alec Douglas-Home 14th Earl 1903–1995 | 1963 to 1995 | Extant; inherited in 1995 by David Douglas-Home, 15th Earl of Home |
| Viscount Hailsham | Quintin Hogg 2nd Viscount 1907–2001 | 1963 to 2001 | Extant; inherited in 2001 by Douglas Hogg, 3rd Viscount Hailsham |
| Baron Southampton | Charles FitzRoy 5th Baron 1904–1989 | 1964 to 1989 | Extant; inherited in 1989 by Charles FitzRoy, 6th Baron Southampton |
| Baron Monkswell | William Collier 4th Baron 1913–1984 | 1964 to 1984 | Extant; inherited in 1984 by Gerard Collier, 5th Baron Monkswell |
| Baron Beaverbrook | Sir Max Aitken, Bt. 2nd Baron 1910–1985 | 1964 to 1985 | Extant; inherited in 1985 by Maxwell Aitken, 3rd Baron Beaverbrook |
| Earl of Sandwich | Victor Montagu 10th Earl 1906–1995 | 1964 to 1995 | Extant; inherited in 1995 by John Montagu, 11th Earl of Sandwich |
| Baron Fraser of Allander | Sir Hugh Fraser, Bt. 2nd Baron 1936–1987 | 1966 to 1987 | Extinct 1987 |
| Earl of Durham | Antony Lambton 6th Earl 1922–2006 | 1970 to 2006 | Extant; inherited in 2006 by Edward Lambton, 7th Earl of Durham |
| Baron Sanderson of Ayot | Alan Lindsay Sanderson 2nd Baron 1931–2022 | 1971 to 2022 | Extant; inherited in 2022 by Michael Sanderson, 3rd Baron Sanderson of Ayot |
| Baron Reith | Christopher Reith 2nd Baron 1928–2016 | 1972 to 2016 | Extant; inherited in 2016 by James Reith, 3rd Baron Reith |
| Baron Silkin | Arthur Silkin 2nd Baron 1916–2001 | 1972 to 2001 | Inherited in 2001 by Christopher Silkin, 3rd Baron Silkin, who also disclaimed the peerage - now the only peerage to be disclaimed twice |
| Baron Archibald | George Christopher Archibald 2nd Baron 1926–1996 | 1975 to 1996 | Extinct 1996 |
| Baron Merthyr | Trevor Lewis 4th Baron 1935–2015 | 1977 to 2015 | Extant; inherited in 2015 by David Lewis, 5th Baron Merthyr |
| Earl of Selkirk | Lord James Douglas-Hamilton 11th Earl 1942–2023 | 1994 to 2023 | Extant; inherited in 2023 by John Douglas-Hamilton, 12th Earl of Selkirk |
| Viscount Camrose | Michael Berry 3rd Viscount 1911–2001 | 1995 to 2001 | Extant; inherited in 2001 by Adrian Berry, 4th Viscount Camrose |
| ‡ Baron Silkin | Christopher Silkin 3rd Baron born 1947 | Since 2002 | |

### Notes

* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 The title in the Peerage of the United Kingdom.
* 1 2 The title in the Peerage of Scotland.
* ↑ Created as a life peer as Baron Home of the Hirsel, 1974.
* ↑ Created as a life peer as Baron Hailsham of St Marylebone, 1970.
* ↑ The title in the Peerage of Great Britain.
* ↑ The title in the Peerage of England.
* ↑ Created as a life peer as Baron Selkirk of Douglas, 1997.
* ↑ Created as a life peer as Baron Hartwell, 1968.

## Other provisions

The Act granted peers of Scotland the same right to sit in the House of Lords as peers of England, Great Britain or the United Kingdom, thereby ending the election of Scottish representative peers and increasing the number of peers of Scotland in the Lords (who did not already sit as holder of another British peerage) from 16 to about 46. An amendment that would have allowed Irish peers to sit in the House as well was defeated by ninety votes to eight.
The Act removed the disqualification of peers of Ireland, by virtue of an Irish peerage, to vote in elections for members of the House of Commons; and to sit in the British House of Commons without losing the privilege of peerage.
The Act also granted suo jure hereditary women peers (other than those in the Peerage of Ireland) the right to sit in the House of Lords, which introduced twelve new women to the House. This was not the first time that women were members of the House of Lords; the Life Peerages Act 1958 allowed all life peers (men and women) to sit in the House. The 2nd Baroness Ravensdale had already entered the Lords in 1958 through the receipt of a life peerage. The women who took their seats in the House after the Peerage Act 1963 and before the House of Lords Act 1999 were:

### Scottish hereditary peers

| Peer | Highest qualifying title | Highest qualifying title | Notes |
| Douglas Douglas-Hamilton, 14th Duke of Hamilton | Duke of Brandon | | The incumbent Lord Steward. |
| Walter Scott, 8th Duke of Buccleuch and 10th Duke of Queensbury | Earl of Doncaster | | The incumbent Lord Clerk Register. |
| Ian Campbell, 11th Duke of Argyll | Duke of Argyll | [c] [d] | |
| Angus Graham, 7th Duke of Montrose | Earl Graham of Belford | | The incumbent Cabinet Minister in Southern Rhodesia. |
| George Innes-Ker, 9th Duke of Roxburghe | Earl Innes | | |
| Douglas Gordon, 12th Marquess of Huntly | Baron Meldrum | | |
| William Hay, 11th Marquess of Tweeddale | Baron Tweeddale | | The incumbent Lord Lieutenant of East Lothian |
| Peter Kerr, 12th Marquess of Lothian | Baron Ker of Kersehugh | | The incumbent Lord-in-waiting |
| David Lindsay, 28th Earl of Crawford and 11th Earl of Balcarres | Baron Wigan | | |
| Donald Erskine, 16th Earl of Buchan | Baron Erskine | | |
| Archibald Montgomerie, 17th Earl of Eglinton | Earl of Winton | |
| Archibald Stuart, 19th Earl of Moray | Baron Stuart | [a] [e] | |
| Alec Douglas-Home, 14th Earl of Home | Baron Douglas | | The incumbent Foreign Secretary |
| Timothy Bowes-Lyon, 16th Earl of Strathmore and Kinghorne | Earl of Strathmore and Kinghorne | [c] [f] | |
| Randolph Stewart, 12th Earl of Galloway | Baron Stewart of Garlies | | The incumbent Lord Lieutenant of Kirkcudbright |
| William Hay, 15th Earl of Kinnoull | Baron Hay of Pedwardine | | |
| Edward Bruce, 10th Earl of Elgin and 14th Earl of Kincardine | Baron Elgin | | The incumbent Lord Lieutenant of Fife |
| Charles Carnegie, 11th Earl of Southesk | Baron Balinhard | | |
| David Charteris, 12th Earl of Wemyss and 8th Earl of March | Baron Wemyss | | |
| Simon Ramsay, 16th Earl of Dalhousie | Baron Ramsay | | |
| Henry Scrymgeour-Wedderburn, 11th Earl of Dundee | Baron Glassary | | |
| Arthur Keith-Falconer, 10th Earl of Kintore | Baron Kintore | | |
| John Murray, 9th Earl of Dunmore | Baron Dunmore | | |
| John Dalrymple, 13th Earl of Stair | Baron Oxenfoord | | The incumbent Lord Lieutenant of Wigtown |
| Harry Primrose, 6th Earl of Rosebery | Earl of Midlothian | [c] [i] | The incumbent Lord Lieutenant of Midlothian |
| Patrick Boyle, 8th Earl of Glasgow | Baron Fairlie | | |
| Simon Fraser, 15th Lord Lovat | Baron Lovat | | |
| John Elphinstone, 17th Lord Elphinstone | Baron Elphinstone | | |
| Nigel Napier, 14th Lord Napier | Baron Ettrick | | |
| Eric Rollo, 13th Lord Rollo | Baron Dunning | | |
| Kenneth Kinnaird, 12th Lord Kinnaird | Baron Kinnaird | | |

#### Notes

* 1 2 3 4 5 6 7 The title in the Peerage of Great Britain.
* ↑ The title in the Peerage of England.
* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 The title in the Peerage of the United Kingdom.
* ↑ Junior qualifying title, Baron Sundridge and Baron Hamilton of Hameldon .
* ↑ Junior qualifying title, Baron Ardrossan .
* ↑ Junior qualifying title, Baron Bowes .
* ↑ The Barony of Kintore in the Peerage of the United Kingdom was extinct on 26 May 1966
* ↑ The Barony of Dunmore in the Peerage of the United Kingdom was extinct on 12 August 1980
* ↑ Junior qualifying title, Baron Rosebery .
* ↑ The Lordship of Kinnaird in the Peerage of Scotland and Barony of Kinnaird in the Peerage of the United Kingdom was extinct on 27 February 1997

#### Scottish representative peers who became automatic members

| Peer | Elected as representative peer |
| Iain Murray, 10th Duke of Atholl | 1 October 1958 |
| Roderick Sinclair, 19th Earl of Caithness | 21 February 1950 |
| John Erskine, 13th Earl of Mar and 16th Earl of Kellie | 6 October 1959 |
| David Drummond, 8th Earl of Perth | 2 April 1952 |
| George Baillie-Hamilton, 12th Earl of Haddington | 16 November 1922 |
| David Ogilvy, 12th Earl of Airlie | 13 January 1922 |
| George Douglas-Hamilton, 10th Earl of Selkirk | 6 July 1945 |
| David Carnegie, 11th Earl of Northesk | 6 October 1959 |
| Ian Cochrane, 14th Earl of Dundonald | 6 October 1959 |
| Nigel Forbes, 22nd Lord Forbes | 23 May 1955 |
| Alexander Fraser, 20th Lord Saltoun | 15 November 1935 |
| Charles St Clair, 17th Lord Sinclair | 6 October 1959 |
| William Forbes-Sempill, 19th Lord Sempill | 15 November 1935 |
| George Bruce, 7th Lord Balfour of Burleigh | 16 November 1922 |
| Thomas Fairfax, 13th Lord Fairfax of Cameron | 6 July 1945 |
| Henry Hepburne-Scott, 10th Lord Polwarth | 6 July 1945 |

#### Became eligible to sit

| Peer | Notes |
| David Douglas, 12th Marquess of Queensberry | |
| Lionel Erskine-Young, 29th Earl of Mar | |
| Sholto Douglas, 20th Earl of Morton | |
| Malcolm Leslie, 20th Earl of Rothes | Former representative peer |
| Alfred Maitland, 16th Earl of Lauderdale | |
| William Lindesay-Bethune, 14th Earl of Lindsay | Former representative peer |
| Alexander Leslie-Melville, 14th Earl of Leven and 13th Earl of Melville | |
| John Campbell, 10th Earl of Breadalbane and Holland | |
| Cecil FitzMaurice, 8th Earl of Orkney | |
| Lucius Cary, 14th Viscount Falkland | |
| Keith Arbuthnott, 15th Viscount of Arbuthnott | |
| Angus Campbell-Gray, 22nd Lord Gray | |
| John Sandilands, 13th Lord Torphichen | |
| Hugh Mackay, 14th Lord Reay | |
| James Erskine-Murray, 13th Lord Elibank | |
| Robert Hamilton, 13th Lord Belhaven and Stenton | |
The holder of the Earldom of Newburgh wasn't eligible as she was an Italian citizen.

### Irish hereditary peers
#### Irish peers with qualifying titles

| Peer | Highest qualifying title | Highest qualifying title |
| Edward FitzGerald, 7th Duke of Leinster | Viscount Leinster | [a] [c] |
| James Hamilton, 4th Duke of Abercorn | Marquess of Abercorn | [a] [d] |
| John Beresford, 8th Marquess of Waterford | Baron Tyrone | |
| Arthur Hill, 7th Marquess of Downshire | Earl of Hillsborough | [a] [e] |
| Edward Chichester, 6th Marquess of Donegall | Baron Fisherwick | |
| Michael Taylour, 6th Marquess of Headfort | Baron Kenlis | |
| Denis Browne, 10th Marquess of Sligo | Baron Monteagle | |
| George Loftus, 7th Marquess of Ely | Baron Loftus | |
| Frederick Conyngham, 6th Marquess Conyngham | Baron Minster | |
| Alistair Vane-Tempest-Stewart, 9th Marquess of Londonderry | Earl Vane | [b] [f] |
| Arthur Butler, 6th Marquess of Ormonde | Baron Ormonde | |
| William Boyle, 12th Earl of Cork and 12th Earl of Orrery | Baron Boyle of Marston | |
| Anthony Brabazon, 14th Earl of Meath | Baron Chaworth | |
| Oliver Plunket, 12th Earl of Fingall | Baron Fingall | |
| Charles Moore, 11th Earl of Drogheda | Baron Moore | |
| Arthur Forbes, 9th Earl of Granard | Baron Granard | |
| Thomas Wentworth-Fitzwilliam, 10th Earl Fitzwilliam | Earl Fitzwilliam | [a] [j] |
| Peter Bligh, 10th Earl of Darnley | Baron Clifton | |
| Frederick Perceval, 11th Earl of Egmont | Baron Lovel and Holland | |
| Frederick Ponsonby, 10th Earl of Bessborough | Earl of Bessborough | [b] [n] |
| Brian Butler, 9th Earl of Carrick | Baron Butler of Mount Juliet | |
| Robert Boyle, 8th Earl of Shannon | Baron Carleton | |
| Arthur Gore, 8th Earl of Arran | Baron Sudley | |
| James Stopford, 8th Earl of Courtown | Baron Saltersford | |
| Hugh Molyneux, 7th Earl of Sefton | Baron Sefton | |
| John Meade, 6th Earl of Clanwilliam | Baron Clanwilliam | |
| Frank Pakenham, 7th Earl of Longford | Baron Silchester | [b] [p] |
| David Cole, 6th Earl of Enniskillen | Baron Grinstead | |
| Henry Crichton, 6th Earl Erne | Baron Fermanagh | |
| George Bingham, 6th Earl of Lucan | Baron Bingham | |
| John Hely-Hutchinson, 7th Earl of Donoughmore | Viscount Hutchinson | |
| Edmund Pery, 5th Earl of Limerick | Baron Foxford | |
| Richard Trench, 6th Earl of Clancarty | Viscount Clancarty | [b] [q] |
| Archibald Acheson, 6th Earl of Gosford | Baron Worlingham | [b] [r] |
| Edward Ellis Agar, 5th Earl of Normanton | Baron Somerton | |
| William Hare, 5th Earl of Listowel | Baron Hare | |
| Daniel Knox, 6th Earl of Ranfurly | Baron Ranfurly | |
| Nicholas Preston, 17th Viscount Gormanston | Baron Gormanston | |
| Piers Butler, 16th Viscount Mountgarret | Baron Mountgarret | |
| John Whyte-Melville-Skeffington, 13th Viscount Massereene and 6th Viscount Ferrard | Baron Oriel | |
| Richard Dawnay, 10th Viscount Downe | Baron Dawnay | |
| Gustavus Hamilton-Russell, 10th Viscount Boyne | Baron Brancepeth | |
| Patrick Barrington, 11th Viscount Barrington | Baron Shute | |
| Henry Gage, 6th Viscount Gage | Baron Gage | |
| Simon Monckton-Arundell, 9th Viscount Galway | Baron Monckton | |
| Mervyn Patrick Wingfield, 9th Viscount Powerscourt | Baron Powerscourt | |
| Francis Agar-Robartes, 7th Viscount Clifden | Baron Mendip | [a] [v] |
| Henry Monck, 6th Viscount Monck | Baron Monck | |
| Edward Digby, 11th Baron Digby | Baron Digby | |
| William Edwardes, 7th Baron Kensington | Baron Kensington | |
| Edward Stanley, 6th Baron Sheffield | Baron Stanley of Alderley | [b] [w] |
| William Westenra, 7th Baron Rossmore | Baron Rossmore | |
| Michael Eden, 7th Baron Henley | Baron Northington | |
| John Henniker-Major, 7th Baron Henniker | Baron Hartismere | |
| Milo Talbot, 7th Baron Talbot of Malahide | Baron Talbot de Malahide | |
| William Conolly-Carew, 6th Baron Carew | Baron Carew | |
| Dominick Browne, 4th Baron Oranmore and Browne | Baron Mereworth | |
* Ian Eden, 9th Baron Auckland and Peter Carington, 6th Baron Carrington are not counted on the list as they were both the 9th and 6th Barons of their respective Peerages in both the Peerage of Great Britain and Peerage of Ireland and their place in the order of precedence was Barons of the Peerage of Great Britain.

##### Notes

* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 The title in the Peerage of Great Britain.
* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 The title in the Peerage of the United Kingdom.
* ↑ Junior qualifying title, Baron Kildare
* ↑ Junior qualifying title, Viscount Hamilton .
* ↑ Junior qualifying title, Baron Harwich .
* ↑ Junior qualifying title, Baron Stewart .
* ↑ The Marquessate of Ormonde in the Peerage of Ireland and the Barony of Ormonde was extinct on 25 October 1997
* ↑ The Earldom of Fingall in the Peerage of Ireland and the Barony of Fingall in the Peerage of the United Kingdom was extinct on 5 March 1984
* ↑ The Earldom of Fitzwilliam in the Peerage of Ireland, the Earldom of Fitzwilliam and the Barony of Fitzwilliam in the Peerage of Great Britain was extinct on 21 September 1979
* ↑ Junior qualifying title, Baron Fitzwilliam .
* ↑ The title in the Peerage of England.
* ↑ The Earldom of Egmont in the Peerage of Ireland and the Barony of Lovel and Holland in the Peerage of Great Britain was extinct on 6 November 2011
* ↑ The Earldom of Bessborough in the Peerage of the United Kingdom was extinct on 5 December 1993
* ↑ Junior qualifying title, Baron Ponsonby of Sysonby and Baron Duncannon .
* ↑ The Earldom of Sefton in the Peerage of Ireland and the Barony of Sefton in the Peerage of the United Kingdom was extinct on 13 April 1972
* ↑ Junior qualifying title, Baron Pakenham .
* ↑ Junior qualifying title, Baron Trench .
* ↑ Junior qualifying title, Baron Acheson .
* ↑ The Viscountcy of Barrington in the Peerage of Ireland and the Barony of Shute in the Peerage of the United Kingdom was extinct on 6 April 1990
* ↑ The Barony of Monckton in the Peerage of the United Kingdom was extinct on 1 January 1971
* ↑ The Viscountcy of Clifden in the Peerage of Ireland and the Barony of Robartes in the Peerage of the United Kingdom was extinct on 22 December 1974
* ↑ Junior qualifying title, Baron Robartes .
* ↑ Junior qualifying title, Baron Eddisbury .
* ↑ The Barony of Talbot de Malahide in the Peerage of the United Kingdom was extinct on 14 April 1973

#### Irish peers with full voting rights

Key :
| ‡ | Indicates peerage whose holder is currently alive |
| Peer | Notes |
| Gilbert Charles Nugent, 12th Earl of Westmeath | |
| Michael Lambart, 12th Earl of Cavan | |
| Denis Butler, 9th Earl of Lanesborough | |
| John Savile, 7th Earl of Mexborough | |
| Ronald Turnour, 7th Earl Winterton | |
| Barclay King-Tenison, 11th Earl of Kingston | |
| Robert Jocelyn, 9th Earl of Roden | |
| Ernest Vaughan, 7th Earl of Lisburne | |
| Randal McDonnell, 8th Earl of Antrim | |
| ‡ George Dawson-Damer, 7th Earl of Portarlington | |
| Terence Bourke, 10th Earl of Mayo | Stood for South Dorset in 1964 |
| Robert Annesley, 9th Earl Annesley | |
| William Howard, 8th Earl of Wicklow | |
| ‡ John Lowry-Corry, 8th Earl Belmore | |
| Percy Bernard, 5th Earl of Bandon | |
| Patrick Stuart, 8th Earl Castle Stewart | |
| Denis Alexander, 6th Earl of Caledon | |
| Michael Parsons, 6th Earl of Rosse | |
| Richard Wyndham-Quin, 6th Earl of Dunraven and Mount-Earl | |
| Patrick Needham, 5th Earl of Kilmorey | |
| Noel Graham-Toler, 6th Earl of Norbury | |
| Francis Annesley, 14th Viscount Valentia | |
| Michael Dillon, 20th Viscount Dillon | |
| Robert Caulfeild, 10th Viscount Charlemont | |
| Richard Molesworth, 11th Viscount Molesworth | |
| Adam Chetwynd, 9th Viscount Chetwynd | |
| Desmond Flower, 10th Viscount Ashbrook | |
| Pyers Southwell, 7th Viscount Southwell | |
| John Vesey, 6th Viscount de Vesci | |
| Alan Hewitt, 8th Viscount Lifford | |
| Edward Ward, 7th Viscount Bangor | |
| Richard St Leger, 9th Viscount Doneraile | |
| Henry Pomeroy, 9th Viscount Harberton | |
| Robert Maude, 8th Viscount Hawarden | |
| Henry Upton, 5th Viscount Templetown | |
| Standish Vereker, 7th Viscount Gort | |
| Michael de Courcy, 34th Baron Kingsale | |
| Randal Plunkett, 19th Baron of Dunsany | |
| Charles Barnewall, 19th Baron Trimlestown | |
| Patrick Butler, 18th Baron Dunboyne | |
| Otway Plunkett, 16th Baron Louth | |
| Donough O'Brien, 16th Baron Inchiquin | |
| John Evans-Freke, 10th Baron Carbery | |
| John Aylmer, 9th Baron Aylmer | |
| Barry Maxwell, 12th Baron Farnham | |
| John Lysaght, 7th Baron Lisle | |
| Robert Wynn, 6th Baron Newborough | |
| Alexander Macdonald, 7th Baron Macdonald | The incumbent Lord Lieutenant of Inverness |
| Hugh Massy, 9th Baron Massy | |
| Matthew Deane, 7th Baron Muskerry | |
| John Browne, 6th Baron Kilmaine | |
| Frederick Cavendish, 7th Baron Waterpark | |
| Henry Graves, 7th Baron Graves | |
| William Vanneck, 5th Baron Huntingfield | |
| Henry Hotham, 7th Baron Hotham | |
| Rowland Allanson-Winn, 6th Baron Headley | |
| Edward Crofton, 5th Baron Crofton | |
| Peter ffrench, 7th Baron ffrench | |
| Hugh Shore, 6th Baron Teignmouth | |
| Geoffrey Rowley-Conwy, 9th Baron Langford | |
| Arthur Eveleigh-de-Moleyns, 7th Baron Ventry | |
| Henry Prittie, 6th Baron Dunalley | |
| John Bingham, 7th Baron Clanmorris | |
| Robert Trench, 4th Baron Ashtown | |
| Charles Thellusson, 8th Baron Rendlesham | |
| John Handcock, 7th Baron Castlemaine | |
| Arthur Beresford, 6th Baron Decies | |
| George Canning, 5th Baron Garvagh | |
| Edward Bellew, 5th Baron Bellew | |
| Edmund Roche, 5th Baron Fermoy | |
| ‡ Thomas McClintock-Bunbury, 5th Baron Rathdonnell | |

### Female hereditary peers

Key :
| ‡ | Indicates peerage whose holder is currently alive |

#### Who took their seat

| Title | Name | Title by marriage | Date inherited peerage | Date took seat | Date left House of Lords |
| The Baroness Strange of Knokin | Elizabeth Philipps | Viscountess St Davids | 23 February 1921 | 19 November 1963 | 12 December 1974 |
| The Baroness Audley | Rosina MacNamee | | 3 July 1963 | 20 November 1963 | 24 October 1973 |
| The Baroness Beaumont | Mona Fitzalan-Howard | Baroness Howard of Glossop | 1 June 1896 | 4 December 1963 | 31 August 1971 |
| The Lady Kinloss | Mary Freeman-Grenville | | 17 October 1944 | 18 February 1964 | 11 November 1999 |
| The Countess of Erroll | Diana Hay | | 24 January 1941 | 29 July 1964 | 16 May 1978 |
| The Lady Nairne | Katherine Bigham | Viscountess Mersey | 3 June 1927 | 27 October 1964 | 20 October 1995 |
| The Lady Sempill | Ann Forbes-Sempill | | 30 December 1965 | 19 July 1966 | 6 July 1995 |
| The Baroness Berkeley | Mary Foley-Berkeley | | 5 April 1967 | 10 May 1967 | 17 October 1992 |
| The Countess of Loudoun | Barbara Abney-Hastings | | 24 February 1960 | 22 June 1967 | 11 November 1999 |
| The Lady Ruthven of Freeland | Bridget Monckton | Viscountess Monckton of Brenchley | 6 April 1956 | 26 October 1967 | 17 April 1982 |
| The Countess of Sutherland | Elizabeth Sutherland | | 1 January 1963 | 27 March 1968 | 11 November 1999 |
| The Baroness Darcy de Knayth | Davina Ingrams | | 23 March 1943 | 15 July 1969 | 24 February 2008 |
| The Baroness Dacre | Rachel Douglas-Home | | 24 February 1970 | 28 May 1970 | 11 November 1999 |
| The Baroness Portal of Hungerford | Rosemary Portal | | 22 April 1971 | 26 April 1972 | 29 September 1990 |
| The Baroness Dudley | Barbara Hamilton | | 19 April 1972 | 23 May 1973 | 11 November 1999 |
| The Baroness Lucas | Anne Palmer | | 3 November 1958 | 10 June 1975 | 31 December 1991 |
| ‡ The Countess of Mar | Margaret of Mar | | 21 April 1975 | 28 October 1975 | 1 May 2020 |
| The Lady Saltoun | Flora Fraser | | 31 August 1979 | 13 December 1979 | 12 December 2014 |
| ‡ The Baroness Braye | Mary Aubrey-Fletcher | | 19 December 1985 | 9 April 1986 | 11 November 1999 |
| The Baroness Strange | Jean Drummond of Megginch | | 10 December 1986 | 17 December 1986 | 11 March 2005 |
| The Countess Mountbatten of Burma | Patricia Knatchbull | Baroness Brabourne | 27 August 1979 | 8 July 1987 | 11 November 1999 |
| The Baroness Wharton | Myrtle Robertson | | 4 April 1990 | 25 June 1990 | 15 May 2000 |
| ‡ The Baroness Willoughby de Eresby | Jane Heathcote-Drummond-Willoughby | | 29 March 1983 | 25 January 1994 | 11 November 1999 |
| The Baroness Berners | Pamela Kirkham | | 30 June 1995 | 25 October 1995 | 11 November 1999 |
| ‡ The Baroness Arlington | Jennifer Forwood | | 28 April 1999 | 27 May 1999 | 11 November 1999 |

#### Who did not take their seat

| Title | Name | Title by marriage | Date inherited peerage |
| The Baroness Furnivall | Mary Dent | | 3 May 1913 |
| The Countess of Seafield | Nina Caroline Studley-Herbert | | 12 November 1915 |
| The Baroness Zouche | Mary Frankland | | 7 April 1917 |
| The Countess of Dysart | Wenefryde Scott | | 22 November 1935 |
| The Baroness Berners | Vera Williams | | 19 April 1950 |
| The Baroness de Ros | Georgiana Maxwell | | 9 August 1958 |
| The Countess of Kintore | Ethel Keith-Falconer | Viscountess Stonehaven | 26 May 1966 |
| The Baroness Wharton | Elisabeth Kemeys-Tynte | | 22 July 1969 |
| The Lady Herries of Terregles | Anne Fitzalan-Howard | Baroness Cowdrey of Tonbridge | 31 January 1975 |
| The Countess of Dysart | Rosamund Greaves | | 2 June 1975 |

##### Notes

* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 The title in the Peerage of England.
* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 The title in the Peerage of Scotland.
* 1 2 The title in the Peerage of the United Kingdom.