Career
In 1780, Lord Gage was created Baron Gage in the Peerage of Great Britain with remainder to heirs male. Gage died 11 October 1791. William Hall Gage was born 6 January 1717/18 and christened 31 January 1717/18 at Westminster Street James, Middlesex, England, the son of Thomas Gage and Benedicta Maria Theresa Hall.
As eldest son, he succeeded his father to the title Viscount Gage on 21 December 1754.
He served as Paymaster of Pensions from 1755 through 1763 and later from 1765 until 1782 when Parliament dissolved the office. William Gage"s younger brother, Thomas Gage, was Commander-in-Chief of British forces at the beginning of the American Revolution.