Thomas O'Brien

Thomas O'Brien is the name of:

  • Thomas O'Brien ( bishop) ( 1792-1874 ), Irish clergyman, Bishop of Ossory, Ferns and Leighlin
  • Thomas J. O'Brien ( diplomat ) ( 1842-1933 ), American diplomat
  • Thomas J. O'Brien ( politician ) ( 1878-1964 ), American politician
  • Thomas J. O'Brien ( bishop) ( born 1935 ), American priest, Bishop of Phoenix
  • Disambiguation
773324
de