John Nelson (1794–1860)

State of Residence: Maryland
  1. Chargé d’Affaires (Kingdom of the Two Sicilies)
    Appointed: October 24, 1831
    Presentation of Credentials: January 25, 1832
    Termination of Mission: Left post on or soon after October 15, 1832
    • Commissioned during a recess of the Senate; recommissioned on January 3, 1832, after confirmation.
  2. Secretary of State ad interim
    Appointed: February 29, 1844
    Termination of Appointment: March 31, 1844
    • Attorney General; Secretary of State ad interim