Samuel McRoberts was a United States senator from Illinois. Born near Maeystown, he was educated by private tutors and graduated from the law department of Transylvania University in Lexington, Kentucky. He was admitted to the bar in 1821 and commenced practice in Monroe County, and was clerk of the circuit court of Monroe County from 1819 to 1821. He was State circuit judge from 1824 to 1827 and a member of the Illinois State Senate from 1828 to 1830.