Young was born in Fayette County, Kentucky and was admitted to the bar in 1816. In 1817, he moved his law practices to Jonesboro, Illinois, and was appointed a captain in the state militia. He served in the Illinois state house from 1820 to 1822 and as a circuit court judge from 1825 to 1837. He resigned his judgeship after being elected to the U.S. Senate in 1837 as a member of the Democratic Party. As a federal Senator, he served one six-year term; during the first four of his six years in office he was Chairman of the Senate Committee on Roads and Canals.
