Background
Vaughan was born at Leicester, the third but second surviving son of Doctor James Vaughan a physician at Leicester, and his wife, Hester née Smalley.
Vaughan was born at Leicester, the third but second surviving son of Doctor James Vaughan a physician at Leicester, and his wife, Hester née Smalley.
He was called to the bar in June 1791. In 1816 he became King"s Serjeant and in 1827 he became Baron of the Exchequer. He was knighted on 24 November 1828.
In 1834 he became Justice of the Court of Common Pleas and was made a Privy Councillor.
Vaughan died at Eastbury Lodge, near Watford, Hertfordshire at the age of 71. Vaughan married firstly Honorary
Augusta Street John, daughter of Henry Beauchamp Street John, 13th Baron Street John on 20 December 1803. They had six children but she died on 30 January 1813.