The Right Honourable The Earl of Kinnoull PC |
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Thomas Hay, 9th Earl of Kinnoull
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Lord Commissioner of the Treasury | |
In office 1754–1755 |
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Member of Parliament for Cambridge | |
In office 1741–1758 |
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Personal details | |
Born | 4 July 1710 |
Died | 27 December 1787 | (aged 77)
Spouse(s) | Constantia Ernlie (m. 1741) |
Thomas Hay, 9th Earl of Kinnoull PC (4 July 1710 – 27 December 1787), styled Viscount Dupplin from 1719 to 1758, was a Scottish peer, British politician and scholar.
Hay was the eldest son of George Hay, 8th Earl of Kinnoull, and Abigail, daughter of Robert Harley, 1st Earl of Oxford and Earl Mortimer.
He was educated at Westminster School and then at Christ Church, Oxford.
On 12 June 1741, at Oxford Chapel, Marylebone, he married Constantia Ernle, the only daughter and heiress of John Kyrle Ernle of Whetham House, Calne. Her great-grandfather was Sir John Ernle, who served as Chancellor of the Exchequer between 1676 and 1689.
They had a son, born 12 August 1742, who died 14 October 1743. She died in July 1753, and was buried in Calne. When Lady Dupplin died, she left her money to James Money, son of her first cousin, Elizabeth. A lengthy lawsuit followed between Kinnoull and Money.
He succeeded to the earldom upon his father's death on 28 July 1758.
As Lord Dupplin, he was elected for Scarborough in 1736, but his election was overturned on petition. He sat as Member of Parliament (MP) for Cambridge from 1741 until 1758. As an MP, he gradually rose to a position of influence. In the final two parliaments, he served as chairman of the committee of privileges and elections. In 1741, he was appointed one of the commissioners of the revenue in Ireland, and in 1746 was made a lord of trade and plantations. In 1751, Horace Walpole described the earl as "fond of forms and trifles," but "not absolutely a bad speaker." He took a prominent part in the efforts to improve the condition of Nova Scotia. In 1754, Thomas Pelham-Holles, 1st Duke of Newcastle made him a Lord of the Treasury. He also served joint Paymaster of the Forces from 1755 until 1757.