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Sen. James Murray Mason

Former Senator for Virginia

Mason was a senator from Virginia and was a Democrat. He served from 1857 to 1861.

He was previously a senator from Virginia as a Democrat from 1851 to 1857; a senator from Virginia as a Democrat from 1847 to 1851; and the representative for Virginia’s 15th congressional district as a Democrat from 1837 to 1839.


Mason faced an allegation of disloyalty to the Union. On Jul. 11, 1861, the Senate expelled him, 32-10.

Jul. 11, 1861 Senate expelled, 32-10
Photo of Sen. James Murray Mason [D-VA, 1857-1861]

Voting Record

Missed Votes

From Mar 1846 to Mar 1861, Mason missed 814 of 3,642 roll call votes, which is 22.4%. This is on par with the median of 20.5% among the lifetime records of senators serving in Mar 1861. The chart below reports missed votes over time.

We don’t track why legislators miss votes, but it’s often due to medical absenses, major life events, and running for higher office.

Show the numbers...

Primary Sources

The information on this page is originally sourced from a variety of materials, including: