Born in Champlain, Clinton County, Stetson attended the public schools and Plattsburg Academy. He studied law, was admitted to the bar in 1824 and commenced practice in Keeseville, Essex County. He was a member of the New York State Assembly in 1835, 1836, 1842 and 1862. He was district attorney of Clinton County from 1838 to 1843. He was elected as a Democrat to the Twenty-eighth Congress, holding office from March 4, 1843 to March 3, 1845; while in the House he was chairman, Committee on District of Columbia. He was a member of the New York State Constitutional Convention of 1846. He moved to Plattsburgh in 1847 and was judge of Clinton County from 1847 to 1851. He was a delegate to the Democratic National Convention at Baltimore in 1860. He resumed the practice of law and died in Plattsburg in 1868; interment in Riverside Cemetery.
- United States Congress. "Lemuel Stetson (id: S000874)". Biographical Directory of the United States Congress.
- HONORABLE LENUEL STETSON bio in Northern Lancet and Gazette of Legal Medicine] edited by Francis J. D'Avignon and Horace Nelson (Vol. 1, 1850; pages 90ff)
|United States House of Representatives|
|Member of the U.S. House of Representatives
from New York's 15th congressional district
|New York Assembly|
|New York State Assembly