Thomas Irwin (February 22, 1785 – May 14, 1870) was a United States representative from Pennsylvania and a United States district judge of the United States District Court for the Western District of Pennsylvania.

Thomas Irwin
Pennsylvania Western District Court
Born 1785 in Philadelphia, PA
Died 1870 in Pittsburgh, PA
FJC ID: 1152
- Gender
- Male
- Race
- White
Prior employment
- Philadelphia [Pennsylvania] RepositoryEditor · 1804–present
- Private practice, Pittsburgh, Pennsylvania1859–1870
- U.S. representative from Pennsylvania1829–1831
- PennsylvaniaState representative from Fayette County · 1824–1828
Fayette County, PennsylvaniaDeputy attorney general · 1812–1819- Natchitoches, LouisianaIndian agent · 1808–1810
- Private practice, Uniontown, Pennsylvania, 1808, 1811-1812, n.d.
Appointments
1832–1859 · Appointed by Andrew Jackson (Democratic)Term ended: Resignation
Education
- Franklin College (now Franklin and Marshall College)
- Read law1808