Background
Northey was the son of William Northey of Ivey House, Compton Basset, Wiltshire and his wife Abigail Webster daughter of Sir Thomas Webster, 1st Baronet of Battle Abbey, Sussex.
Northey was the son of William Northey of Ivey House, Compton Basset, Wiltshire and his wife Abigail Webster daughter of Sir Thomas Webster, 1st Baronet of Battle Abbey, Sussex.
His father was Member of Parliament for Calne in 1713, and for Wooton Bassett in 1714. He was then elected Member of Parliament for Maidstone, Kent on 28 March 1761 and held the seat until 18 March 1768. He was lastly elected Member of Parliament for Great Bedwyn on 13 November 1768 and held the seat until his death in 1770.
Northey was a lieutenant-colonel in the Wiltshire county militia and one of the commissioners for trade.
He became a Fellow of the Royal Society on 21 June 1753. He was Groom of the Chamber to King George III. Northey married Anne Hopkins, daughter of Edward Hopkins, Member of Parliament, Secretary of State for Ireland.
Royal Society; 11th Parliament of Great Britain. 10th Parliament of Great Britain. 12th Parliament of Great Britain]
Northey was elected a Member of Parliament (Member of Parliament) for Calne on 27 June 1747 and held the seat until 1761.
He was described as a leading and eloquent member of the opposition in parliament.