Background
Addington was the second son of Anthony Addington and his wife Mary, daughter of Haviland John Hiley.
Addington was the second son of Anthony Addington and his wife Mary, daughter of Haviland John Hiley.
He was educated at Cheam School and then at Winchester College. Addington studied in Ealing until 1776 and afterwards at Brasenose College, Oxford.
Addington entered the British House of Commons in 1787, having been elected for Truro. He represented the constituency until 1790 and after a break of four years was returned to Parliament for Winchelsea until 1796. In the following general election Addington stood successfully for Wendover.
Instead he ran for Harwich in a by-election, which had been triggered by the death of his predecessor.
Addington sat for the constituency for the rest of his life. In March of the following year he became a Secretary to the Treasury until 1802, when on his own request he returned to his former office.
Addington was made Paymaster of the Forces in 1803 and on this occasion was sworn of the Privy Council. In 1806, Addington joined the Board of Control as a commissioner, however left it after a year.
He accepted an appointment as Under-Secretary of State for Home Affairs in 1812, retiring after a collapse in 1818.
In 1803 Addington was nominated High Steward of Harwich and lieutenant-colonel of the Mendip Volunteers. In 1785, Addington married Mary, daughter of Henry Unwin. Addington died at Longford Court in 1818 from complications after an operation on his stomach.
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4th United Kingdom Parliament.
5th United Kingdom Parliament. 16th Parliament of Great Britain.
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He held that seat until the Acting of Union 1801 and then became a member of the newly established Parliament of the United Kingdom.
During his time as Member of Parliament, he was appointed a Lord of the Treasury in December 1800, by the then Prime Minister William Pitt.