Principal Officers and Chiefs of Mission, by Year: 1891

Note: Career Foreign Service appointees are asterisked.

• John True Abbott (1850–1914)
  • Envoy Extraordinary and Minister Plenipotentiary, Colombia (1889–1893)
• Alvey Augustus Adee (1842–1924)
  • Third Assistant Secretary of State (1882–1886)
  • Second Assistant Secretary of State (1886–1924)
  • Secretary of State ad interim (1898)
  • Assistant Secretary of State (1924)
• John Alexander Anderson (1834–1892)
  • Agent/Consul General, Egypt (1891–1892)
• Thomas Henry Anderson (1848–1916)
  • Minister Resident/Consul General, Bolivia (1889–1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Bolivia (1890–1892)
• George Sherman Batcheller (1837–1908)
  • Minister Resident/Consul General, Portugal (1890–1892)
• Truxtun Beale (1856–1936)
  • Minister Resident/Consul General, Iran (1891–1892)
  • Minister Resident/Consul General, Greece (1892–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, Greece (1892)
  • Envoy Extraordinary and Minister Plenipotentiary, Romania (1892)
  • Minister Resident/Consul General, Romania (1892)
  • Envoy Extraordinary and Minister Plenipotentiary, Serbia (1892)
  • Minister Resident/Consul General, Serbia (1892)
  • Envoy Extraordinary and Minister Plenipotentiary/Consul General, Greece (1893)
  • Envoy Extraordinary and Minister Plenipotentiary/Consul General, Romania (1893)
  • Envoy Extraordinary and Minister Plenipotentiary/Consul General, Serbia (1893)
• James Gillespie Blaine (1830–1893)
  • Secretary of State (1881)
  • Secretary of State (1889–1892)
• Henry William Blair (1834–1920)
  • Envoy Extraordinary and Minister Plenipotentiary, China (1891)
• Sempronius Hamilton Boyd (1828–1894)
  • Minister Resident/Consul General, Thailand (1890–1892)
• Clark Ezra Carr (1836–1919)
  • Minister Resident/Consul General, Denmark (1889–1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Denmark (1890–1893)
• Jacob T. Child (1832–1905)
  • Minister Resident/Consul General, Thailand (1886–1891)
• Alexander Clark (1826–1891)
  • Minister Resident/Consul General, Liberia (1890–1891)
• Edwin Hurd Conger (1843–1907)
  • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1890–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1897–1898)
  • Envoy Extraordinary and Minister Plenipotentiary, China (1898–1905)
  • Ambassador Extraordinary and Plenipotentiary, Mexico (1905)
• Charles Denby (1830–1904)
  • Envoy Extraordinary and Minister Plenipotentiary, China (1885–1898)
• John Stephens Durham (1861–1919)
  • Chargé d’Affaires, Dominican Republic (1891–1893)
  • Minister Resident/Consul General, Haiti (1891–1893)
• Patrick Egan (1841–1919)
  • Envoy Extraordinary and Minister Plenipotentiary, Chile (1889–1893)
• John Walker Fearn (1832–1899)
  • Minister Resident/Consul General, Greece (1885–1889)
  • Minister Resident/Consul General, Romania (1885–1899)
  • Minister Resident/Consul General, Serbia (1885–1889)
• Frederick Dent Grant (1850–1912)
  • Envoy Extraordinary and Minister Plenipotentiary, Austria (1889–1893)
• Edward Burd Grubb (1841–1917)
  • Envoy Extraordinary and Minister Plenipotentiary, Spain (1890–1892)
• Augustine Heard (1827–1905)
  • Minister Resident/Consul General, Korea (1890–1893)
• John Hicks (1847–1917)
  • Envoy Extraordinary and Minister Plenipotentiary, Peru (1889–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, Chile (1905–1909)
• Solomon Hirsch (1839–1902)
  • Envoy Extraordinary and Minister Plenipotentiary, Turkey (1889–1892)
• Robert Todd Lincoln (1843–1926)
  • Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1889–1893)
• George Earl Maney (1826–1901)
  • Minister Resident, Colombia (1881–1882)
  • Minister Resident/Consul General, Bolivia (1882–1883)
  • Minister Resident, Paraguay (1889–1891)
  • Minister Resident, Uruguay (1889–1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Paraguay (1890–1894)
  • Envoy Extraordinary and Minister Plenipotentiary, Uruguay (1890–1894)
  • Minister Resident, Ecuador (Not commissioned; nomination withdrawn before the Senate acted upon it.)
• John Bassett Moore (1860–1947)
  • Third Assistant Secretary of State (1886–1891)
  • Assistant Secretary of State (1898)
  • Counselor (1913–1914)
• Romualdo Pacheco (1831–1899)
  • Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1890–1891)
  • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1890–1891)
  • Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Honduras (1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1890–1891)
  • Envoy Extraordinary and Minister Plenipotentiary, Guatemala (1891–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, Honduras (1891–1893)
• William Walter Phelps (1839–1894)
  • Envoy Extraordinary and Minister Plenipotentiary, Austria (1881–1882)
  • Envoy Extraordinary and Minister Plenipotentiary, Germany (1889–1893)
• John Robert Graham Pitkin (1841–1901)
  • Envoy Extraordinary and Minister Plenipotentiary, Argentina (1889–1893)
• Albert Gallatin Porter (1824–1897)
  • Envoy Extraordinary and Minister Plenipotentiary, Italy (1889–1892)
• E. Spencer Pratt (?–)
  • Minister Resident/Consul General, Iran (1886–1891)
• Whitelaw Reid (1837–1912)
  • Envoy Extraordinary and Minister Plenipotentiary, France (1889–1892)
  • Ambassador Extraordinary and Plenipotentiary, United Kingdom (1905–1912)
• Thomas Ryan (1837–1914)
  • Envoy Extraordinary and Minister Plenipotentiary, Mexico (1889–1893)
• William Lindsay Scruggs (1836–1912)
  • Minister Resident, Colombia (1873–1876)
  • Minister Resident, Colombia (1882–1884)
  • Envoy Extraordinary and Minister Plenipotentiary, Colombia (1884–1885)
  • Envoy Extraordinary and Minister Plenipotentiary, Venezuela (1889–1892)
• Richard Cutts Shannon (1839–1920)
  • Envoy Extraordinary and Minister Plenipotentiary, Costa Rica (1891–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, El Salvador (1891–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, Nicaragua (1891–1893)
• Charles Emory Smith (1842–1908)
  • Envoy Extraordinary and Minister Plenipotentiary, Russia (1890–1892)
• Archibald Loudon Snowden (1837–1912)
  • Minister Resident/Consul General, Greece (1889–1891)
  • Minister Resident/Consul General, Romania (1889–1892)
  • Minister Resident/Consul General, Serbia (1889–1892)
  • Envoy Extraordinary and Minister Plenipotentiary, Greece (1891–1892)
  • Envoy Extraordinary and Minister Plenipotentiary, Romania (1891–1892)
  • Envoy Extraordinary and Minister Plenipotentiary, Serbia (1891)
  • Envoy Extraordinary and Minister Plenipotentiary, Spain (1892–1893)
• John Leavitt Stevens (1820–1895)
  • Minister Resident, Paraguay (1870–1873)
  • Minister Resident, Uruguay (1870–1873)
  • Minister Resident, Sweden (1877–1883)
  • Minister Resident, Hawaii (1889–1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Hawaii (1890–1893)
• John Franklin Swift (1829–1891)
  • Envoy Extraordinary and Minister Plenipotentiary, Japan (1889–1891)
• Edwin Holland Terrell (1848–1910)
  • Envoy Extraordinary and Minister Plenipotentiary, Belgium (1889–1893)
• Samuel Richard Thayer (1837–1909)
  • Envoy Extraordinary and Minister Plenipotentiary, Netherlands (1889–1893)
• William Widgery Thomas Jr. (1839–1927)
  • Minister Resident, Sweden (1883–1885)
  • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1889–1894)
  • Envoy Extraordinary and Minister Plenipotentiary, Sweden (1897–1905)
• John Davis Washburn (1833–1903)
  • Minister Resident/Consul General, Switzerland (1889–1890)
  • Envoy Extraordinary and Minister Plenipotentiary, Switzerland (1890–1892)
• William Fisher Wharton (1847–1919)
  • Assistant Secretary of State (1889–1893)
  • Secretary of State ad interim (1892)
  • Secretary of State ad interim (1893)