United States Senator from Kentucky. 2 Field Genealogy 1122.
Martin D. Hardin, son of John Hardin, lawyer, born on Monongahela river, Pennsylvania, 21 June, 1780; died in Frankfort, Kentucky, 8 October, 1823, was educated in the Transylvania academy, Kentucky, where he removed with his father at six years of age. He studied law, practised in Franklin county, served several terms in the legislature, and in 1812 was secretary of the state. When war was declared with Great Britain he joined the northwestern division of the army under General Harrison, and was promoted major of the Kentucky regiment of volunteers. In 1816 he was elected to the United States senate as a Democrat to fill the unexpired term of William T. Barry, who had resigned. He was distinguished for legal knowledge and ability, and practised his profession with marked success, he published "Reports of Cases in the Kentucky Court of Appeals" (Louisville, 1810).
Biographical Directory of the United States Congress (http://bioguide.congress.gov/scripts/biodisplay.pl ?index=H000186): HARDIN, Martin D, 1780-1823 Senate Years of Service: 1816-1817 Party: Federalist (cousin of Benjamin Hardin and father of John J. Hardin), a Senator from Kentucky; born along the Monongahela River, western Pennsylvania, June 21, 1780; moved with his parents to Kentucky in 1786; pursued an academic course; attended Transylvania Seminary, Lexington, Ky.; studied law; was admitted to the bar and practiced in Richmond and Frankfort, Ky.; member, State house of representatives 1805-1806, 1812, 1818-1820, serving as speaker 1819-1820; secretary of State of Kentucky 1812-1816; served as major in the War of 1812; appointed and subsequently elected as a Federalist to the United States Senate to fill the vacancy caused by the resignation of William T. Barry and served from November 13, 1816, to March 3, 1817; died in Frankfort, Ky., October 8, 1823; interment on his farm in Franklin County; reinterment in State Cemetery, Frankfort, Ky. (Bibliography : American National Biography; Dictionary of American Biography)