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Earl of Onslow
Arms of Onslow: Argent, a Fess Gules, between six Cornish Choughs proper. Crest: An Eagle Sable, preying on a Partridge proper. Supporters: Dexter: On either side a Falcon close proper, belled Or.
Creation date	19 June 1801
Created by	King George III
Peerage	Peerage of the United Kingdom
First holder	George Onslow, 1st Earl of Onslow
Present holder	Rupert Onslow, 8th Earl of Onslow
Heir presumptive	Anthony Onslow
Subsidiary titles	Viscount Cranley Baron Onslow Baron Cranley Baronet ‘of West Clandon’
Status	Extant
Motto	Festina Lente ("Be quick without impetuosity" lit. "Hurry slowly")

Earl of Onslow, of Onslow in the County of Shropshire and of Clandon Park in the County of Surrey is a title in the Peerage of the United Kingdom. It was created in 1801 for George Onslow, 4th Baron Onslow.

History

The Onslow family descends from Arthur Onslow, who represented Bramber, Sussex and Guildford in the House of Commons. He was the husband of Mary, daughter of Thomas Foote, Lord Mayor of London in 1649, who had been created a Baronet in 1660 (a title which became extinct on his death in 1687). In 1674, Onslow was himself created a Baronet in the Baronetage of England, with the precedence of 1660.

Onslow was succeeded by his son, the second Baronet. He was a prominent politician and served as Speaker of the House of Commons from 1708 to 1710 and as Chancellor of the Exchequer from 1713 to 1714. In 1716 he was raised to the Peerage of Great Britain as Baron Onslow, of Onslow in the County of Shropshire and of Clandon Park in the County of Surrey, with remainder, failing male issue of his own, to his uncle Denzil Onslow, and afterwards, to the male heirs of his father. Lord Onslow was succeeded by his son, the second Baron. He sat as Member of Parliament for Gatton, Chichester, Bletchingley and Surrey and served as Lord Lieutenant of Surrey. His son, the third Baron, represented Guildford in Parliament and served as Lord Lieutenant of Surrey. He was heirless on his death in 1776.

Lord Onslow was succeeded according to the special remainder by his second cousin and heir male of his great-grandfather, who became the fourth Baron. He was the son of Arthur Onslow, Speaker of the House of Commons, elder son of Foot Onslow. He was Member of Parliament for Rye and Surrey and notably served as Treasurer of the Household and as Lord Lieutenant of Surrey. In May 1776, five months before succeeding in the barony of Onslow, he was raised to the Peerage of Great Britain in his own right as Baron Cranley, of Imber Court in the County of Surrey. In 1801 he was further honoured when he was made Viscount Cranley, of Cranley in the County of Surrey, and Earl of Onslow, of Onslow in the County of Shropshire. The latter titles were in the Peerage of the United Kingdom. A grandson, André George Louis Onslow (1784–1853), was a noted composer, and author of thirty string quartets and other works.

His son, the second Earl, represented Rye and Guildford in the House of Commons. He was succeeded by his eldest son, the third Earl. He died without surviving male issue and was succeeded by his great-nephew, the fourth Earl. He was the son of George Augustus Cranley Onslow, son of Thomas Cranley Onslow, second son of the second Earl. Lord Onslow was a prominent Conservative politician and served as Under-Secretary of State for the Colonies, as Under-Secretary of State for India and as President of the Board of Agriculture and was also Governor of New Zealand. His eldest son, the fifth Earl, was also a Conservative politician. He notably held office as Under-Secretary of State for War and as Paymaster General during the 1920s.

He was succeeded by his son, the sixth Earl. He served in the Conservative administrations of Winston Churchill, Anthony Eden and Harold Macmillan as Captain of the Yeomen of the Guard (Deputy Chief Whip in the House of Lords) for nine years. From 1971 to 2011, the titles were held by his son, the seventh Earl, who succeeded in 1971. The seventh Earl was one of the ninety elected hereditary peers who remained in the House of Lords after the passing of the House of Lords Act 1999, and sat like his ancestors on the Conservative benches. He is the only hereditary peer to have appeared as a panellist on Have I Got News For You. Upon his death on 14 May 2011, he was succeeded by his son, now the eighth Earl, who inherited Clandon Park, the 1000-acre agricultural Parkland Estate in Surrey in January 2017.

Another member of the Onslow family was the Conservative politician Cranley Onslow. He was a descendant of George Onslow, eldest son of Lieutenant-General Richard Onslow, nephew of the first Baron and uncle of the first Earl. Also, Admiral Sir Richard Onslow, 1st Baronet, was the second son of Lieutenant-General Richard Onslow. See Onslow baronets of Althain for more information on this branch of the family.

The family seat of the Earls of Onslow is Clandon Park in Surrey. Although Clandon House and gardens were gifted and endowed by the Onslow family to the National Trust in 1955, the surrounding agricultural estate called Clandon Park, covering over 1,000 acres and including areas of Grade II-listed parkland, remains in the ownership of The Earl and Countess of Onslow.

The eighth Earl married Leigh Jones-Fenleigh, at Oakham on 10 September 1999 and they have one daughter.

The family's coat of arms is: Argent a fess gules between six Cornish choughs proper. The supporters are two falcons, proper, belled or. The crest is made up of an eagle sable preying on a partridge or. The motto is "FESTINA LENTE" (Latin: Make haste slowly), although "SEMPER FIDELIS" (Always faithful) is also used. The coat of arms is the basis of the badge of Onslow St Audreys School in Hatfield, Hertfordshire.

Onslow baronets (1674)

• Sir Arthur Onslow, 1st Baronet (1622–1688)
• Sir Richard Onslow, 2nd Baronet (1654–1717) (created Baron Onslow in 1716)

Barons Onslow (1716)

Title passing from father to son, except where noted.

• Richard Onslow, 1st Baron Onslow (1654–1717)
• Thomas Onslow, 2nd Baron Onslow (1679–1740)
• Richard Onslow, 3rd Baron Onslow (1715–1776)
• George Onslow, 4th Baron Onslow (1731–1814) (created Baron Cranley in 1776 and Earl of Onslow in 1801), second cousin of the 3rd Baron

Earls of Onslow (1801)

Title passing from father to son, except where noted.

• George Onslow, 1st Earl of Onslow (1731–1814)
• Thomas Onslow, 2nd Earl of Onslow (1754–1827)
• Arthur George Onslow, 3rd Earl of Onslow (1777–1870)
  • Arthur George Onslow, Viscount Cranley (1820–1856)
• William Hillier Onslow, 4th Earl of Onslow (1853–1911), great-nephew of the 3rd Earl
• Richard William Alan Onslow, 5th Earl of Onslow (1876–1945)
• William Arthur Bampfylde Onslow, 6th Earl of Onslow (1913–1971)
• Michael William Copelstone Dillon Onslow, 7th Earl of Onslow (1938–2011)
• Rupert Charles William Bullard Onslow, 8th Earl of Onslow (b. 1967)

The heir presumptive is his father's fourth cousin, Anthony Ernest Edward Onslow (born 1955), a descendant of the 2nd Earl.

Male-line family tree

Line of succession

Notes

1. "No. 5445". The London Gazette. 26 June 1716. pp. 1–2.
2. "No. 11665". The London Gazette. 11 May 1776. p. 2.
3. "No. 15375". The London Gazette. 13 June 1801. p. 659.
4. "Hereditary peer the Earl of Onslow dies". BBC News. 17 May 2011. Retrieved 18 November 2019.
5. Townend, Peter, ed. (1963). Burke's Peerage (103rd ed.). Burke's Peerage Limited. p. 1865.
6. "Welcome to Onslow St Audrey's School".
7. Morris, Susan; Bosberry-Scott, Wendy; Belfield, Gervase, eds. (2019). "Onslow". Debrett's Peerage and Baronetage. Vol. 1 (150th ed.). London: Debrett's Ltd. pp. 3895–3905. ISBN 978-1-999767-0-5-1.

References

• Kidd, Charles; Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990,
• Leigh Rayment's Peerage Pages
• David Beamish's Peerage Page
• Vulliamy, C. E. – The Onslow Family 1528–1874 : with some account of their times. – London : Chapman & Hall, 1953

v t e Extant earldoms in the peerages of Britain and Ireland
England	Shrewsbury Derby Huntingdon Pembroke Devon Lincoln Suffolk Montgomery Denbigh Westmorland Berkshire Lindsey Winchelsea Sandwich Essex Carlisle Shaftesbury Nottingham Abingdon Portland Scarbrough Albemarle Coventry Jersey
Scotland	Sutherland Crawford Mar Erroll Caithness Morton Rothes Buchan Eglinton Moray Mar Home Perth Strathmore and Kinghorne Kellie Haddington Galloway Lauderdale Lindsay Loudoun Kinnoull Elgin Wemyss Dalhousie Airlie Leven Dysart Selkirk Northesk Kincardine Balcarres Newburgh Dundee Annandale and Hartfell Dundonald Kintore Dunmore Melville Orkney March Seafield Stair Rosebery Glasgow
Great Britain	Ferrers Dartmouth Tankerville Aylesford Macclesfield Waldegrave Harrington Portsmouth Brooke Buckinghamshire Guilford Hardwicke Ilchester Warwick De La Warr Radnor Spencer Bathurst Clarendon Mansfield Talbot Mount Edgcumbe Fortescue Mansfield Carnarvon Cadogan Malmesbury
Ireland	Waterford Cork Westmeath Meath Desmond Cavan Orrery Drogheda Granard Darnley Bessborough Carrick Shannon Arran Courtown Mexborough Winterton Kingston Roden Lisburne Clanwilliam Antrim Longford Portarlington Mayo Annesley Enniskillen Erne Lucan Belmore Castle Stewart Caledon Donoughmore Limerick Clancarty Rosse Gosford Normanton Kilmorey Listowel Norbury Ranfurly
United Kingdom	Rosslyn Craven Onslow Romney Chichester Wilton Powis Nelson Grey Lonsdale Harrowby Harewood Minto Cathcart Verulam St Germans Morley Bradford Eldon Howe Stradbroke Temple of Stowe Cawdor Lichfield Durham Granville Effingham Ducie Yarborough Leicester Gainsborough Strafford Cottenham Cowley Winton Dudley Russell Cromartie Kimberley Wharncliffe Cairns Lytton Selborne Iddesleigh Cranbrook Cromer Plymouth Liverpool Midlothian St Aldwyn Beatty Haig Iveagh Balfour Oxford and Asquith Jellicoe Inchcape Peel Strathmore and Kinghorne Baldwin of Bewdley Halifax Gowrie Lloyd-George of Dwyfor Mountbatten of Burma Alexander of Tunis Swinton Attlee Woolton Snowdon Stockton
Italics: This title is held by a peer who holds another earldom of higher precedence.

• Earldoms in the Peerage of the United Kingdom
• Noble titles created in 1801
• Earls of Onslow