Date inherited |
Date of death or other loss of title |
Title |
Name |
Other titles by marriage |
Preceded in title by |
Succeeded in title by
|
1903 |
29 April 1929 |
16th Baroness Darcy de Knayth |
Violet Herbert |
Countess of Powis |
Sackville Lane-Fox, father abeyant 1490-1903 |
Mervyn Herbert, son
|
28 August 1906 |
18 June 1917 |
14th Baroness Wentworth |
Ada King-Milbanke |
|
Ralph King-Milbanke, father |
Anne Blunt, aunt
|
29 April 1907 |
4 May 1939 |
25th Baroness de Ros |
Mary (FitzGerald-de Ros) Dawson |
Countess of Dartrey |
Dudley FitzGerald-de Ros, father |
Una Ross, daughter abeyant 1939–1943
|
1908 |
28 August 1945 |
12th Lady Herries of Terregles |
Gwendolen Fitzalan-Howard |
Duchess of Norfolk |
Marmaduke Constable-Maxwell, father |
Bernard Fitzalan-Howard, son
|
12 January 1912 |
26 February 1959 |
2nd Duchess of Fife |
HH Princess Alexandra of Fife |
HRH Princess Arthur of Connaught |
Alexander Duff, father |
James Carnegie, nephew
|
25 March 1913 |
24 December 1936 |
2nd Viscountess Wolseley |
Frances Garnet Wolseley |
|
Garnet Joseph Wolseley, father |
Extinct
|
21 January 1914 |
18 August 1926 |
2nd Baroness Strathcona and Mount Royal |
Margaret Howard |
|
Donald Alexander Smith, father |
Donald Sterling Palmer Howard, son
|
14 November 1914 |
9 October 1944 |
2nd Countess Roberts |
Aileen Roberts |
|
Frederick Roberts, father |
Ada Lewin, sister
|
12 November 1915 |
30 September 1969 |
12th Countess of Seafield |
Nina Studley-Herbert |
|
James Ogilvie-Grant, father |
Ian Ogilvie-Grant, son
|
18 June 1917 |
15 December 1917 |
15th Baroness Wentworth |
Anne Blunt |
|
Ada King-Milbanke, niece |
Judith Blunt-Lytton, daughter
|
15 December 1917 |
8 August 1957 |
16th Baroness Wentworth |
Judith Blunt-Lytton |
|
Anne Blunt, mother |
Noel Lytton, son
|
3 July 1918 |
20 July 1958 |
2nd Viscountess Rhondda |
Margaret Mackworth |
|
David Alfred Thomas, father |
Extinct
|
17 May 1920 |
24 February 1960 |
12th Countess of Loudoun |
Edith Abney-Hastings |
|
Charles Clifton, uncle |
Barbara Abney-Hastings, daughter
|
7 March 1921 |
23rd Baroness Botreaux 20th Baroness Hastings |
Charles Rawdon-Hastings, uncle abeyant 1920-1921 |
Abeyant
|
7th Baroness Stanley |
Ferdinando Stanley abeyant 1594-1921
|
23 February 1921 |
12 December 1974 |
14th Baroness Strange |
Elizabeth Philipps |
Viscountess St Davids |
Jestyn Philipps, son
|
22nd Baroness Hungerford 21st Baroness de Moleyns |
Charles Clifton, uncle abeyant 1920-1921
|
20 March 1925 |
9 February 1966 |
2nd Baroness Ravensdale |
Irene Curzon, 2nd Baroness Ravensdale |
Baroness Ravensdale of Kedleston created for life |
George Curzon, father |
Nicholas Mosley, nephew
|
1935 |
2 June 1975 |
10th Countess of Dysart |
Wenefryde Scott |
|
William Tollemache, uncle |
Rosamund Greaves, daughter
|
24 January 1941 |
16 May 1978 |
23rd Countess of Erroll |
Diana Hay (Moncreiffe) |
|
Josslyn Hay, father |
Merlin Hay, son
|
March 1943 |
24 February 2008 |
18th Baroness Darcy de Knayth |
Davina Ingrams |
|
Mervyn Herbert, father |
Caspar Ingrams, son
|
1943 |
9 October 1956 |
26th Baroness de Ros |
Una Dawson Ross |
|
Mary Dawson, mother |
Georgiana Maxwell, granddaughter abeyant 1956–1958
|
17 October 1944 |
30 September 2012 |
12th Lady Kinloss |
Mary Freeman-Grenville |
|
Mary Morgan-Grenville, grandmother |
Teresa Freeman-Grenville, daughter
|
9 October 1944 |
1955 |
3rd Countess Roberts |
Ada Lewin |
|
Aileen Roberts, sister |
Extinct
|
16 April 1956 |
17 April 1982 |
11th Lady Ruthven of Freeland |
Bridget (Hore-Ruthven) (Howard) Monckton |
Countess of Carlisle by first marriage Viscountess Monckton of Brenchley by second marriage |
Walter Hore-Ruthven, father |
Charles Howard, son
|
1958 |
21 April 1983 |
27th Baroness de Ros |
Georgiana Maxwell |
|
Una Ross, grandmother abeyant 1956-1958 |
Peter Maxwell, son
|
24 February 1960 |
1 November 2002 |
13th Countess of Loudoun |
Barbara (Huddleston) Abney-Hastings |
|
Edith Abney-Hastings, mother |
Michael Abney-Hastings, son
|
1 February 1963 |
9 December 2019 |
24th Countess of Sutherland |
Elizabeth Sutherland |
|
George Sutherland-Leveson-Gower, uncle |
Alistair Charles St. Clair Sutherland, eldest son
|
26 May 1966 |
21 September 1974 |
11th Countess of Kintore |
Ethel Sydney Keith-Falconer |
Viscountess Stonehaven |
Arthur George Keith-Falconer, brother |
James Ian Baird, son
|
22 July 1969 |
4 May 1974 |
10th Baroness Wharton |
Elisabeth Kemeys-Tynte |
|
John Kemeys-Tynte, brother |
Myrtle Robertson, daughter abeyant 1974–1990
|
1970 |
25 December 2012 |
27th Baroness Dacre |
Rachel Douglas-Home |
|
Thomas Brand, father abeyant 1965-1970 |
James Douglas-Home, son
|
22 April 1971 |
1990 |
2nd Baroness Portal of Hungerford |
Rosemary Portal |
|
Charles Portal, father |
Extinct
|
31 January 1975 |
25 November 2014 |
14th Lady Herries of Terregles |
Anne Cowdrey |
Baroness Cowdrey of Tonbridge |
Bernard Fitzalan-Howard, father |
Mary Mumford, sister
|
21 April 1975 |
|
31st Countess of Mar |
Margaret (Lane) of Mar |
|
James of Mar, father |
|
1982 |
11 March 2005 |
16th Baroness Strange |
Cherry Drummond of Megginch |
|
John Drummond, father |
Adam Drummond, son
|
29 March 1983 |
|
28th Baroness Willoughby de Eresby |
Nancy Jane Marie Heathcote-Drummond-Willoughby |
|
James Heathcote-Drummond-Willoughby, father |
|
1975 |
2003 |
11th Countess of Dysart |
Rosamund Greaves |
|
Wenefryde Scott, mother |
Katherine Grant, sister
|
27 August 1979 |
13 June 2017 |
2nd Countess Mountbatten of Burma |
Patricia Knatchbull |
Baroness Brabourne |
Louis Mountbatten, father |
Norton Knatchbull, son
|
31 August 1979 |
|
21st Lady Saltoun |
Flora Fraser |
|
Alexander Fraser, father |
|
19 Dec. 1985 |
|
8th Baroness Braye |
Mary Penelope Verney-Cave[1] |
|
|
|
1990 |
15 May 2000 |
11th Baroness Wharton |
Myrtle Robertson |
|
Elisabeth Kemeys-Tynte, mother abeyant 1974–1990 |
Myles Robertson, son
|
30 June 1995 |
|
16th Baroness Berners |
Pamela Vivien Kirkham |
|
Vera Ruby Williams, mother abeyant 1992-1995 |
|
May 1999 |
|
11th Baroness Arlington |
Jennifer Nelson Forwood |
|
John FitzRoy, uncle abeyant 1936-1999 |
|