Chiefs of Mission for Mexico

Chiefs of Mission

• Joel Roberts Poinsett (1779–1851)
  • Envoy Extraordinary and Minister Plenipotentiary, June 1, 1825–October 17, 1829
• Anthony Butler (?–?)
  • Chargé d’Affaires, January 29, 1830–October 21, 1835
• Powhatan Ellis (1790–1863)
  • Chargé d’Affaires, May 11, 1836–December 28, 1836
• Powhatan Ellis (1790–1863)
  • Envoy Extraordinary and Minister Plenipotentiary, July 7, 1839–April 21, 1842
• Waddy Thompson Jr. (1798–1868)
  • Envoy Extraordinary and Minister Plenipotentiary, April 21, 1842–May 9, 1844
• Wilson Shannon (1802–1877)
  • Envoy Extraordinary and Minister Plenipotentiary, September 1, 1844–March 28, 1845
• Nathan Clifford (1803–1881)
  • Envoy Extraordinary and Minister Plenipotentiary, October 2, 1848–September 6, 1849
• Robert Perkins Letcher (1788–1861)
  • Envoy Extraordinary and Minister Plenipotentiary, February 7, 1850–August 2, 1852
• Alfred Conkling (1789–1874)
  • Envoy Extraordinary and Minister Plenipotentiary, November 30, 1852–August 17, 1853
• James Gadsden (1788–1858)
  • Envoy Extraordinary and Minister Plenipotentiary, August 17, 1853–October 23, 1856
• John Forsyth (1812–1877)
  • Envoy Extraordinary and Minister Plenipotentiary, October 23, 1856–June 21, 1858
• Robert Milligan McLane (1815–1898)
  • Envoy Extraordinary and Minister Plenipotentiary, April 6, 1859–December 22, 1860
• John B. Weller (1812–1875)
  • Envoy Extraordinary and Minister Plenipotentiary, January 30, 1861–May 14, 1861
• Thomas Corwin (1794–1865)
  • Envoy Extraordinary and Minister Plenipotentiary, May 21, 1861–April 27, 1864
• William Henry Corwin (1829–1880)
  • Chargé d’Affaires ad interim, April 1864–April 1866
• Marcus Otterbourg (1827–1893)
  • Chargé d’Affaires ad interim, April 1866–August 1867
• Marcus Otterbourg (1827–1893)
  • Envoy Extraordinary and Minister Plenipotentiary, August 19, 1867–August 28, 1867
• William Starke Rosecrans (1819–1898)
  • Envoy Extraordinary and Minister Plenipotentiary, December 10, 1868–June 26, 1869
• Thomas Henry Nelson (1824–1896)
  • Envoy Extraordinary and Minister Plenipotentiary, June 26, 1869–June 16, 1873
• John Watson Foster (1836–1917)
  • Envoy Extraordinary and Minister Plenipotentiary, June 16, 1873–March 2, 1880
• Philip Hicky Morgan (1825–1900)
  • Envoy Extraordinary and Minister Plenipotentiary, April 21, 1880–June 6, 1885
• Henry Rootes Jackson (1820–1898)
  • Envoy Extraordinary and Minister Plenipotentiary, June 11, 1885–October 7, 1886
• Thomas Courtland Manning (1825–1887)
  • Envoy Extraordinary and Minister Plenipotentiary, October 26, 1886–September 21, 1887
• Edward Stuyvesant Bragg (1827–1912)
  • Envoy Extraordinary and Minister Plenipotentiary, March 3, 1888–May 27, 1889
• Thomas Ryan (1837–1914)
  • Envoy Extraordinary and Minister Plenipotentiary, May 27, 1889–May 9, 1893
• Isaac Pusey Gray (1828–1895)
  • Envoy Extraordinary and Minister Plenipotentiary, May 9, 1893–December 7, 1894
• Matthew Whitaker Ransom (1826–1904)
  • Envoy Extraordinary and Minister Plenipotentiary, September 18, 1895–February 13, 1897
• Powell Clayton (1833–1914)
  • Envoy Extraordinary and Minister Plenipotentiary, May 13, 1897–January 13, 1899
• Powell Clayton (1833–1914)
  • Ambassador Extraordinary and Plenipotentiary, January 3, 1899–May 26, 1905
• Edwin Hurd Conger (1843–1907)
  • Ambassador Extraordinary and Plenipotentiary, June 15, 1905–August 3, 1905
• David Eugene Thompson (1854–1942)
  • Ambassador Extraordinary and Plenipotentiary, March 8, 1906–December 1, 1909
• Henry Lane Wilson (1856–1932)
  • Ambassador Extraordinary and Plenipotentiary, March 5, 1910–February 18, 1913
• Nelson O’Shaughnessy (1876–1932)
  • Chargé d’Affaires ad interim, –April 22, 1914
• Henry Prather Fletcher (1873–1959)
  • Ambassador Extraordinary and Plenipotentiary, March 3, 1917–January 25, 1919
• George Thomas Summerlin (1872–1947)
  • Chargé d’Affaires ad interim, January 1919–March 1924
• Charles Beecher Warren (1870–1936)
  • Ambassador Extraordinary and Plenipotentiary, March 31, 1924–July 22, 1924
• James Rockwell Sheffield (1864–1938)
  • Ambassador Extraordinary and Plenipotentiary, October 15, 1924–June 5, 1927
• Dwight Whitney Morrow (1873–1931)
  • Ambassador Extraordinary and Plenipotentiary, October 29, 1927–September 17, 1930
• Joshua Reuben Clark Jr. (1871–1961)
  • Ambassador Extraordinary and Plenipotentiary, November 28, 1930–February 14, 1933
• Josephus Daniels Jr. (1862–1948)
  • Ambassador Extraordinary and Plenipotentiary, April 24, 1933–November 9, 1941
• George Strausser Messersmith (1883–1960)
  • Ambassador Extraordinary and Plenipotentiary, February 24, 1942–May 15, 1946
• Walter Clarence Thurston (1894–1974)
  • Ambassador Extraordinary and Plenipotentiary, June 17, 1946–November 4, 1950
• William O’Dwyer (1890–1964)
  • Ambassador Extraordinary and Plenipotentiary, November 23, 1950–December 6, 1952
• Francis White (1892–1961)
  • Ambassador Extraordinary and Plenipotentiary, April 28, 1953–June 30, 1957
• Robert Charles Hill (1917–1978)
  • Ambassador Extraordinary and Plenipotentiary, July 25, 1957–December 1, 1960
• Thomas Clifton Mann (1912–1999)
  • Ambassador Extraordinary and Plenipotentiary, May 8, 1961–December 22, 1963
• Fulton Freeman (1915–1974)
  • Ambassador Extraordinary and Plenipotentiary, April 6, 1964–January 6, 1969
• Robert Henry McBride (1918–1983)
  • Ambassador Extraordinary and Plenipotentiary, July 22, 1969–January 25, 1974
• Joseph John Jova (1916–1993)
  • Ambassador Extraordinary and Plenipotentiary, January 30, 1974–February 21, 1977
• Patrick Joseph Lucey (1918–2014)
  • Ambassador Extraordinary and Plenipotentiary, July 19, 1977–October 31, 1979
• Julian Nava (1927–)
  • Ambassador Extraordinary and Plenipotentiary, May 7, 1980–April 3, 1981
• John A. Gavin (1931–2018)
  • Ambassador Extraordinary and Plenipotentiary, June 5, 1981–June 10, 1986
• Charles J. Pilliod Jr. (1918–2016)
  • Ambassador Extraordinary and Plenipotentiary, November 4, 1986–April 7, 1989
• John Dimitri Negroponte (1939–)
  • Ambassador Extraordinary and Plenipotentiary, July 3, 1989–September 5, 1993
• James Robert Jones (1939–)
  • Ambassador Extraordinary and Plenipotentiary, September 10, 1993–June 25, 1997
• Charles H. Brayshaw (1942–)
  • Chargé d’Affaires ad interim, June 1997–August 1998
• Jeffrey S. Davidow (1944–)
  • Ambassador Extraordinary and Plenipotentiary, August 5, 1998–September 14, 2002
• Antonio O. Garza Jr. (1957–)
  • Ambassador Extraordinary and Plenipotentiary, November 22, 2002–January 20, 2009
• Carlos Pascual (1958–)
  • Ambassador Extraordinary and Plenipotentiary, August 9, 2009–May 15, 2011
• Earl Anthony Wayne (1950–)
  • Ambassador Extraordinary and Plenipotentiary, September 13, 2011–July 31, 2015
• Roberta S. Jacobson (1960–)
  • Ambassador Extraordinary and Plenipotentiary, May 4, 2016–

Other Nominees

• Andrew Jackson (1767–1845)
  • Envoy Extraordinary and Minister Plenipotentiary: Declined appointment.
• Ninian Edwards (1775–1833)
  • Envoy Extraordinary and Minister Plenipotentiary: Did not proceed to post.
• John Slidell (1793–1871)
  • Envoy Extraordinary and Minister Plenipotentiary: Commissioned during a recess of the Senate; recommissioned on January 20, 1846, after confirmation. Proceeded to post, but did not present credentials; left post about March 21, 1846.
• John Alexander Logan (1826–1886)
  • Envoy Extraordinary and Minister Plenipotentiary: Declined appointment. Commissioned during a recess of the Senate.
• Lewis Davis Campbell (1811–1882)
  • Envoy Extraordinary and Minister Plenipotentiary: Took oath of office and proceeded to Mexico, but did not present credentials.
• John Alexander McClernand (1812–1900)
  • Envoy Extraordinary and Minister Plenipotentiary: Not commissioned; nomination twice rejected by the Senate.
• Matthew Whitaker Ransom (1826–1904)
  • Envoy Extraordinary and Minister Plenipotentiary: This appointment was characterized as a nullity in an opinion of the Acting Attorney General on August 15, 1895.
• Henry Morgenthau (1856–1946)
  • Ambassador Extraordinary and Plenipotentiary: Not commissioned; nomination not confirmed by the Senate.
• Maria Echaveste (1954–)
  • Ambassador Extraordinary and Plenipotentiary: Nomination of September 18, 2014, not acted upon by the Senate.