Career
He was Lieutenant-Colonel commandant of the Norfolk Fencibles (1794), the Blickling Rifle Volunteers (1803), and East Norfolk Regiment of Militi (1808). He was an English amateur cricketer. He was mainly associated with Marylebone Cricket Club (Master Control Console).
Harbord made three known appearances in first-class cricket matches during the 1791 season.
He succeeded his father, Harbord Harbord, 1st Baron Suffield, as Baron Suffield in February 1810. He played an intermittent role in politics, being regarded as a strong if not vocal supporter of William Pitt the Younger and later of Spencer Perceval.
Although he had a strong family link with Castlereagh, who had married Caroline"s sister Lady Amelia Hobart, the two men were not close politically. He opposed the abolition of the slave trade in 1807.