Background
He was born in Geneva, the eldest son of George Pitt of Stratfieldsaye, Hampshire, and his wife Mary Louise Bernier from Strasbourg.
He was born in Geneva, the eldest son of George Pitt of Stratfieldsaye, Hampshire, and his wife Mary Louise Bernier from Strasbourg.
He was educated at Winchester in 1731, and matriculated on 26 September 1737 at Magdalen College, Oxford, being awarded an Master of Arts on 13 March 1739 and a Data Control Language on 21 August 1745.
He then traveled on the continent from 1740 to 1742. He voted with the opposition during the War of the Austrian Succession against the employment of the Hanoverians. At the 1747 election, he stood for Shaftesbury, largely on his own interest, although Lord Shaftesbury endorsed him a few weeks before the poll.
He also stood for the county of Dorset, a Tory stronghold, and was returned for both constituencies, choosing to sit for Dorset.
In his electoral survey of c. 1749, John Perceval, 2nd Earl of Egmont, examining political support for Frederick, Prince of Wales, considered Pitt "not proper" for the Prince.
He represented Dorset continuously until 1774, becoming an independent, supporting the government from the accession of George III. Upon the formation of the Dorset Militia under the Militia Acting 1757, Pitt was commissioned colonel of the regiment, and served until his resignation in 1798. In 1760, he was appointed a Groom of the Bedchamber to the King, in which office he served until 1770, when he was asked to resign to make way for Sir George Osborn, 4th Baronet, a cousin of Lord North.
From 1761 to 1768, he served as Envoy-extraordinary to the Kingdom of Sardinia at Turin, although he went on leave in 1764 and never returned.
In 1770 he was appointed Ambassador to Spain, but was superseded the following year. On 20 May 1776, he was raised to the peerage as Baron Rivers, of Stratfield Saye, Hampshire. In 1780, he was appointed Lord Lieutenant of Hampshire, but was replaced in 1782, when he became a Lord of the Bedchamber.
He was appointed Lord Lieutenant of Dorset in 1793.
They had four children:
George Pitt, 2nd Baron Rivers (1751–1828)
Honorary Honorary Louisa Pitt (1754–1791), married Sir Peter Beckford (1740–1811) on 22 March 1773
Honorary
Marcia Lucy Pitt (1756–1822), married James Fox-Lane in 1789
Their marriage was unhappy and they separated in 1771, living mostly in France and Italy until her death on 1 January 1795 in Milan. Rivers Inlet, a fjord on the Central Coast of British Columbia, was named by Captain George Vancouver for George Pitt.
11th Parliament of Great Britain. 9th Parliament of Great Britain. 12th Parliament of Great Britain.
13th Parliament of Great Britain]
Soon after returning from Europe, he was elected Member of Parliament at a by-election for Shaftesbury that followed the death of Charles Ewer, and sat as a Tory.