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Chiefs of Mission for Mexico
NOTE TO READERS
Updates to the Principal Officers and Chiefs of Mission database are currently suspended. For information about the Department’s current and recent leadership, we recommend visiting the Department of State homepage’s Biographies of Senior Officials and List of U.S. Ambassadors.
Notice posted on January 12, 2024.
Last
updated March 14, 2024.
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 27, 2016–May 5, 2018
- Christopher Landau (?–)
- Ambassador Extraordinary and Plenipotentiary, August 16, 2019–
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.