Thomas Onslow, 2nd Baron Onslow (27 November 1679 – 5 June 1740), of West Clandon, Surrey, was a British landowner and Whig politician who sat in the English and British House of Commons between 1702 and 1717. He commissioned the building of Clandon Park House in the 1730s.
Onslow was the only surviving son of Richard Onslow, 1st Baron Onslow. He was educated at Eton College from 1691 to 1693, and the travelled abroad in Holland and France from 1697 to 1698. He married Elizabeth Knight, the daughter of John Knight, a merchant of Jamaica, and niece of Colonel Charles Knight, and was heir to both their fortunes.[1]
He represented a continuous succession of constituencies in the Parliament of England and Great Britain. He first entered Parliament in 1702, aged 22 or 23, as the MP for Gatton, Surrey, an underpopulated rural borough that had once had a market in the medieval period. He was then returned in 1705 to represent the larger settlement of Chichester, West Sussex, followed by Bletchingley (1708–1715) and finally the county seat of Surrey (1715–1717), which then included much of today's Greater London south of the Thames including, for example, Battersea and Lambeth. He was awarded LL.D at Cambridge University in 1717 and became 2nd Baron Onslow on the death of his father in 1717. He was a Teller of the Receipt of the Exchequer from 1718 to his death[2]
As Lord Onslow he was a leading participant in an insurance business known as Onslow's InsuranceorOnslow's Bubble, which secured incorporation under the Bubble ActasRoyal Exchange Assurance Corporation.[3]
The Onslow family seat remains Clandon Park, East and West Clandon, Surrey.
Clandon Park House and its 7-acre garden, was gifted to the Nation in 1956, a National Trust and this mansion and gardens were for the most part commissioned by him.
The senior branch of the Onslow family continues to own and manage their agricultural business and the Clandon Park parkland to this day. However, in the 18th and 19th centuries the family owned several thousand acres of farmland scattered across many villages in Surrey from which they derived an income.[4]
According to research carried out under University College London's Legacies of British Slave-ownership project, Clandon House was built by Onslow possibly as a result of his wife's slavery-derived fortune.[5] The slave plantation which Elizabeth inherited was her uncle Charles' Whitehall Plantation in St Thomas-in-the-East, Jamaica.[6]
He had one son, Richard, who succeeded him on his death in 1740.
| Parliament of England | ||
|---|---|---|
| Preceded by | Member of Parliament for Gatton 1702–1705 With: Maurice Thompson |
Succeeded by |
| Preceded by | Member of Parliament for Chichester 1705–1707 With: Sir Thomas Littleton, Bt |
Succeeded by Parliament of Great Britain |
| Parliament of Great Britain | ||
| Preceded by Parliament of England |
Member of Parliament for Chichester 1707–1708 With: Sir Thomas Littleton, Bt |
Succeeded by |
| Preceded by | Member of Parliament for Haslemere 1708 With: Theophilus Oglethorpe |
Succeeded by |
| Preceded by | Member of Parliament for Bletchingley 1708–1715 With: George Evelyn |
Succeeded by |
| Preceded by | Member of Parliament for Haslemere 1713–1714 With: George Vernon |
Succeeded by |
| Preceded by | Member of Parliament for Surrey 1715–1717 With: Lord Guernsey |
Succeeded by |
| Political offices | ||
| Preceded by Unknown |
Out-Ranger of Windsor Forest 1715–1717 |
Succeeded by |
| Preceded by | Teller of the Exchequer 1718–1741 |
Succeeded by |
| Honorary titles | ||
| Preceded by | Lord Lieutenant of Surrey 1717–1740 |
Succeeded by |
| Preceded by | Custos Rotulorum of Surrey 1737–1740 | |
| Peerage of Great Britain | ||
| Preceded by | Baron Onslow 1717–1740 |
Succeeded by |
| International |
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| National |
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| Other |
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