OVERVIEW:

FULL NAME:
James Murray Mason 

BORN:
November 3, 1798
Analostan Island, Fairfax County, Virginia
(now Theodore Roosevelt Island, DC)

DIED:
April 28, 1871 (age 72)
Alexandria, Virginia

EDUCATION:
University of Pennsylvania (BA, 1818)
College of William and Mary (LLB, 1820)

POLITICAL PARTY:
Democrat

CAREER HIGHLIGHTS:
1820-1821:
Admitted to the Bar,
Practiced Law in Winchester. Virginia
1826-1827:
Member of the Virginia House of Delegates
1828-1831:
Member of the Virginia House of Delegates
1829:
Delegate to the Virginia Constitutional Convention 
1837-1839:
U.S. House of Representatives
1847-1861:
U.S. Senator from Virginia
January 6, 1857-March 4. 1857:
President pro tempore of the U.S. Senate 
July 11, 1861:
Expelled from the Senate for supporting the rebellion 

RESOURCES: 
Biographical Directory of Congress
Encyclopedia Virginia
Wikipedia