He represented Camelford from 1812 to 1818, and Winchelsea from 1823 to 1826.[1]
His father, William Leader, was coachmaker to the prince of Wales. Leader married in 1792 (his wife and mother both named Mary). He had two sons, William killed in a carriage accident at the age of 24, and John Temple Leader (1810โ1903), and four daughters. Temple Leader and Leader's nephew William Leader Maberly (1798โ1885) also became MPs.[3][4]