He was appointed deputy
attorney general on January 12, 1809, and served in the
Pennsylvania State Senate for the
13th district from 1811 to 1814 and again from 1823 to 1826 when he also served as Speaker of the Senate. Burnside was elected as a
Democratic-Republican to the
Fourteenth Congress to fill the vacancy caused by the death of
David Bard and served until his resignation in April 1816. He was appointed president judge of the Luzerne district courts in 1815, and resigned in 1819. He was again a member of the Pennsylvania State Senate and its presiding officer in 1823. He was president judge of the fourth judicial district from 1826 to 1841 and later presided in the same capacity over the seventh judicial district. He was appointed an associate justice of the
Supreme Court of Pennsylvania in 1845, which office he held until his death in
Germantown, Pennsylvania. ==Notes==