Thomas C. O'Brien

Content sourced from Wikipedia, licensed under CC BY-SA 3.0.

Thomas Charles O'Brien (June 19, 1887 – November 22, 1951) was an American lawyer and politician from Boston, Massachusetts. He served as District Attorney of Suffolk County from 1922 to 1927, filling the term of Joseph Pelletier. He also ran for Boston mayor in 1925 and for the U.S. Senate in 1930. O'Brien was born in Brighton, Boston, and graduated from Harvard College and Harvard Law School. An Irish-American Catholic, he worked as a labor lawyer and held roles in corrections, including on the state parole board, as deputy director of prisons, and as Boston’s commissioner of penal institutions. In 1936 he switched from the Democratic Party to the Union Party and was their vice-presidential candidate, with William Lemke; the ticket received a small share of the vote. He died of a heart ailment in Boston in 1951 at age 64.