MAJORITY

• 0JOHN LITTLE MCCLELLAN

  [D] AR, United States
• 1James Oliver Eastland

  [D] MS, United States
• 0CLYDE ROARK HOEY

  [D] NC, United States
• 0GLEN HEARST TAYLOR

  [D] ID, United States

  Ended 01/12/1950
• 0Herbert OConor

  [D] MD, United States
• 7Russell B. Long

  [D] LA, United States

  Ended 07/26/1949
• 3Hubert H. Humphrey Jr.

  [D] MN, United States

MINORITY

• 1Joseph Raymond McCarthy

  [R] WI, United States
• 0IRVING MCNEIL IVES

  [R] NY, United States
• 0Karl EARL Mundt

  [R] SD, United States
• 1MARGARET CHASE SMITH

  [R] ME, United States
• 0ANDREW FRANK SCHOEPPEL

  [R] KS, United States
• 0ARTHUR HENDRI VANDENBERG

  [R] MI, United States

OTHER

• 0Absalom Robertson

  [D] VA, United States

  Began 07/26/1949

  Ended 01/12/1950
• 0EDWARD LAURENCE LEAHY

  [D] RI, United States

  Began 01/12/1950

  Ended 12/18/1950
• 0WILLIAM BENTON

  [D] CT, United States

  Began 01/12/1950
• 2John Pastore

  [D] RI, United States

  Began 12/21/1950