Browse the newly added biographies of former and current members of Congress.
Osee Matson Hall
Representative, Minnesota
Democratic
Osmyn Baker
Representative, Massachusetts
Whig
Ossian Ray
Representative, New Hampshire
Republican
Otha Donner Wearin
Representative, Iowa
Otho Robards Singleton
Representative, Mississippi
Otis Ferguson Glenn
Senator, Illinois
Otis Grey Pike
Representative, New York
Otis Halbert Holmes
Representative, Washington
Otis Theodore Wingo
Representative, Arkansas
Otto Ernest Passman
Representative, Louisiana
