Principal Officers and Chiefs of Mission, by year: 1843

Note: Career Foreign Service appointees are asterisked.

• Wickliffe, Robert (?-1850)
  • Chargé d'Affaires, Italy (1843-1844)
• Baber, Ambrose (?-?)
  • Chargé d'Affaires, Italy (1841-1844)
• Barrow, Washington (1817-1866)
  • Chargé d'Affaires, Portugal (1841-1844)
• Blackford, William Matthews (1801-1864)
  • Chargé d'Affaires, Colombia (1842-1844)
• Boulware, William (?-?)
  • Chargé d'Affaires, Two Sicilies (1841-1845)
• Carr, Dabney Smith (1802-1854)
  • Minister Resident, Turkey (1843-1849)
• Cushing, Caleb (1800-1879)
  • Envoy Extraordinary and Minister Plenipotentiary, China (1843-1844)
  • Commissioner, China (1843-1844)
  • Envoy Extraordinary and Minister Plenipotentiary, Spain (1874)
• Derrick, William S. (?-1852)
  • Secretary of State ad interim (1843)
  • Chief Clerk (1843-1844)
  • Chief Clerk (1845)
  • Chief Clerk (1847-1848)
  • Chief Clerk (1848-1852)
• Eve, Joseph (?-1843)
  • Chargé d'Affaires, Texas (1841-1843)
• Everett, Edward (1794-1865)
  • Envoy Extraordinary and Minister Plenipotentiary, United Kingdom (1841-1845)
  • Commissioner, China (1843)
  • Secretary of State (1852-1853)
• Hughes, Christopher (1786-1849)
  • Chargé d'Affaires, no se (1819-1825)
  • Chargé d'Affaires, Netherlands (1825-1830)
  • Chargé d'Affaires, Sweden (1830-1841)
  • Chargé d'Affaires, Netherlands (1842-1845)
• Hunter, William (1774-1849)
  • Chargé d'Affaires, Brazil (1834-1835)
  • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1841-1843)
• Irving, Washington (1783-1859)
  • Envoy Extraordinary and Minister Plenipotentiary, Spain (1842-1846)
• Irwin, William Wallace (1803-1856)
  • Chargé d'Affaires, Denmark (1843-1847)
• Lay, George Washington (1798-1860)
  • Chargé d'Affaires, Sweden (1842-1845)
• Legare, Hugh Swinton (1797-1843)
  • Chargé d'Affaires, Belgium (1832-1836)
  • Secretary of State ad interim (1843)
• Murphy, William Sumter (1796-1844)
  • Chargé d'Affaires, Texas (1843)
• Pendleton, John Strother (1802-1868)
  • Chargé d'Affaires, Chile (1841-1844)
  • Chargé d'Affaires, Argentina (1851-1854)
• Pickett, James Chamberlayne (1793-1872)
  • Chargé d'Affaires, Peru (1838-1845)
• Porter, David (1780-1843)
  • Chargé d'Affaires, Turkey (1831)
  • Minister Resident, Turkey (1839-1843)
• Proffit, George H. (1807-1847)
  • Envoy Extraordinary and Minister Plenipotentiary, Brazil (1843-1844)
• Rencher, Abraham (1798-1883)
  • Chargé d'Affaires, Portugal (1843-1847)
• Todd, Charles Stewart (1791-1871)
  • Envoy Extraordinary and Minister Plenipotentiary, Russia (1841-1846)
• Upshur, Abel Parker (1791-1844)
  • Secretary of State ad interim (1843)
  • Secretary of State (1843-1844)
• Webster, Daniel Fletcher (1813-1862)
  • Chief Clerk (1841-1843)
• Webster, Daniel (1782-1852)
  • Secretary of State (1841-1843)
  • Secretary of State (1850-1852)
• Wheaton, Henry (1785-1848)
  • Chargé d'Affaires, Denmark (1827-1835)
  • Chargé d'Affaires, Germany (1835)
  • Envoy Extraordinary and Minister Plenipotentiary, Germany (1837-1846)