Thomas C. O'Brien

Thomas O'Brien
District Attorney of Suffolk County
In office 1922–1927
Preceded by	Joseph Pelletier
Succeeded by	William J. Foley
Personal details
Born	(1887-06-19)June 19, 1887 Boston, Massachusetts, U.S.
Died	November 22, 1951(1951-11-22) (aged 64) Boston, Massachusetts, U.S.
Political party	Democratic (Before 1935) Union (1935–1936)
Education	Harvard University (BA, LLB)

Thomas Charles O'Brien (June 19, 1887 – November 22, 1951) was an American attorney and politician who served as District Attorney of Suffolk County, Massachusetts and was the United States vice-presidential nominee for the Union Party in the 1936 United States presidential election.