List of ambassadors of the United States to Mexico
List of ambassadors
Table:
Representative

Title

From

To

Appointed by

William Shaler

Special Diplomatic Agent

1810

1812

James Madison

John H. Robinson

Special Diplomatic Agent

1812

1814

James Madison

James Wilkinson

U.S. Envoy

1816

1825

James Madison

Joel Roberts Poinsett

Minister

1825

1829

John Quincy Adams

Anthony Butler

Special Diplomatic Agent

1829

Anthony Butler

Chargé d'Affaires

1829

1835

Andrew Jackson

William A. Slacum

Special Diplomatic Agent

1835

1836

Andrew Jackson

Powhatan Ellis

Chargé d'Affaires

1836

Andrew Jackson

Robert Greenhow

Special Diplomatic Agent

1837

Powhatan Ellis

Minister

1839

1842

Martin Van Buren

Henry E. Lawrence

Special Diplomatic Agent

1842

John Tyler

Waddy Thompson Jr.

Minister

1842

1844

John Tyler

Moses Yale Beach

Special Diplomatic Agent

1843

John Tyler

Gilbert L. Thompson

Special Diplomatic Agent

1844

John Tyler

Wilson Shannon

Minister

1844

1845

John Tyler

John Slidell

Minister

1845

James K. Polk

David Conner

Special Diplomatic Agent

1846

James K. Polk

Nathan Clifford

Minister

1848

1849

James K. Polk

Robert P. Letcher

Minister

1849

1852

Robert Greenhow

Special Diplomatic Agent

1850

George G. Goss

Special Diplomatic Agent

1850

1852

George W. Slacum

Special Diplomatic Agent

1851

Millard Fillmore

Edward Smith

Special Diplomatic Agent

1852

Millard Fillmore

Alfred Conkling

Minister

1852

1853

Millard Fillmore

George E. Cooper

Special Diplomatic Agent

1853

Christopher L. Ward

Special Diplomatic Agent

1853

James Gadsden

Minister

1853

1856

Richard S. Spofford

Special Diplomatic Agent

1854

Franklin Pierce

John Forsyth Jr.

Minister

1856

1858

Franklin Pierce

William M. Churchwell

Special Diplomatic Agent

1858

James Buchanan

Alfred Mordecai

Special Diplomatic Agent

1858

James Buchanan

Duff Green

Special Diplomatic Agent

1859

James Buchanan

David R. Porter

Special Diplomatic Agent

1859

James Buchanan

Robert Milligan McLane

Minister

1859

1860

James Buchanan

Henry Roy de la Reintrie

Special Diplomatic Agent

1860

James Buchanan

John B. Weller

Minister

1860

1861

James Buchanan

Thomas Corwin

Minister

1861

1864

Robert W. Shufelt

Special Diplomatic Agent

1862

Abraham Lincoln

Lewis D. Campbell

Minister

1866

1867

Andrew Johnson

Marcus Otterbourg

Minister

1867

Andrew Johnson

William S. Rosecrans

Minister

1868

1869

Andrew Johnson

Thomas H. Nelson

Minister

1869

1873

John W. Foster

Minister

1873

1880

Ulysses S. Grant

Philip Hicky Morgan

Minister

1880

1885

Rutherford B. Hayes

Henry R. Jackson

Minister

1885

1886

Thomas Courtland Manning

Minister

1886

1887

Grover Cleveland

Edward S. Bragg

Minister

1888

1889

Grover Cleveland

Thomas Ryan

Minister

1889

1893

Isaac P. Gray

Minister

1893

1895

Matt Whitaker Ransom

Minister

1895

1897

Grover Cleveland

Powell Clayton

Minister

1897

1898

With reference to the table information on 'List of ambassadors of the United States to Mexico' (see 'List of ambassadors'), compose one sentence describing only the highlighted cells and return it as JSON: {"answer": "YOUR ANSWER"}.