John Nichol Irwin (1845–1905)

State of Residence: Iowa
  1. Envoy Extraordinary and Minister Plenipotentiary (Portugal)
    Appointed: April 12, 1899
    Presentation of Credentials: December 26, 1899
    Termination of Mission: Left post on May 15, 1900
    • Commissioned during a recess of the Senate; recommissioned on December 14, 1899, after confirmation.