John McLean (Illinois politician)

John McLean (February 4, 1791–October 14, 1830) was a United States Representative and a Senator from Illinois.

Born near Guilford Court House (now Greensboro), Guilford County, North Carolina, February 4, 1791, McLean moved with his parents to Logan County, Kentucky in 1795. He moved to Illinois Territory in 1815. After studying law, he was admitted to the bar and commenced practice in Shawneetown, Gallatin County, Illinois. When Illinois was admitted as a State into the Union, McLean was elected to the Fifteenth Congress and served from December 3, 1818, to March 3, 1819. He failed to be reflected in 1818 to the Sixteenth Congress, and again in 1820 and 1822 to the Seventeenth and Eighteenth Congresses, respectively. He was a member of the Illinois State House of Representatives in 1820, 1826, and 1828, and served as speaker. In 1824, McLean was elected to the United States Senate to fill the vacancy created by the resignation of Ninian Edwards and served from November 23, 1824, to March 3, 1825. He did not stand for reelection, but resumed the practice of law. He was again elected to the United States Senate and served from March 4, 1829, until his death in Shawneetown, Ill. in 1830; interment in Westwood Cemetery, near Shawneetown, Ill.

Preceded by None, first in line.	Member of the U.S. House of Representatives from Illinois's 1st congressional district December 3, 1818, to March 3, 1819	Succeeded by Daniel P. Cook
Preceded by Ninian Edwards	United States Senator (Class 3) from Illinois 1824 – 1825	Succeeded by Elias K. Kane
Preceded by Jesse B. Thomas	United States Senator (Class 2) from Illinois 1829 – 1830	Succeeded by David J. Baker