Knox was the fifth son of
Thomas Knox, 1st Viscount Northland. In 1790, Knox entered the
Irish House of Commons for
Dungannon. Subsequently, he sat for
Dublin University until the
Act of Union in 1801. Thereafter Knox sat as a
Member of Parliament (MP) in the
United Kingdom Parliament and represented
Dublin University from 1801 to 1807. He was also elected for
Dungannon in 1801 and 1806, but chose to represent Dublin University both times. ==References==