|United States Senator
March 4, 1807 – March 4, 1813
|Preceded by||George Logan|
|Succeeded by||Abner Lacock|
June 10, 1755|
|Died||May 20, 1835
Andrew Gregg (June 10, 1755 – May 20, 1835) was an American politician and political figure.
He was born near Carlisle, Pennsylvania son of Andrew Gregg and Jean Scott. He married Martha Potter  the daughter of Major General James Potter who was a vice president of the state of Pennsylvania. The couple had 11 children. His son, Andrew Gregg, Jr., built the Andrew Gregg Homestead about 1825. His father, also named Andrew Gregg, was a member of the Paxton Boys.
Andrew Gregg served as a United States Congressman from Pennsylvania from 1791 until 1813: first, in the United States House of Representatives from October 24, 1791 until March 4, 1807, and then in the United States Senate from October 26, 1807 until March 4, 1813. During part of his service in the Senate, he served as President pro tempore. Later in life, he was appointed secretary of state for Pennsylvania, in 1816, and ran unsuccessfully for Governor of Pennsylvania in 1823. Prior to his election to the United States Congress, he had served in the militia during the American Revolution, and had been a tutor at the College of Philadelphia, from 1779 to 1783. His grandsons Andrew Gregg Curtin and James Xavier McLanahan were also prominent Pennsylvania politicians.
- 1978, Colonial and Revolutionary Families of Pennsylvania, John W. Jordan, page 856
- 1896, Pennsylvania: genealogies chiefly Scotch-Irish and German, William Henry Egle, page 294
- "Gregg Township" USGenWeb Project
- Biographical Directory, U.S. Congress, Gregg, Andrew (1755-1835), retrieved 2007-06-14
|United States Senate|
|U.S. Senator (Class 3) from Pennsylvania
Served alongside: Samuel Maclay, Michael Leib
|President pro tempore of the United States Senate
June 26, 1809 – December 18, 1809