List of ambassadors of the United States to Canada

This is a list of ambassadors of the United States to Canada.U.S. Chiefs of Mission to Canada The ambassador is the head of the Embassy of the United States in Ottawa.

Prior to 1943, the head of the U.S. diplomatic mission to Canada bore the title of Envoy Extraordinary and Minister Plenipotentiary. The U.S. mission to Canada was upgraded from legation to embassy status in June 1943; Ray Atherton was the first chief of mission to hold ambassadorial rank.

List # Ambassador Portrait Took office Left office President(s)1William PhillipsJune 1, 1927December 14, 1929Calvin Coolidge,Herbert Hoover2Hanford MacNiderAugust 29, 1930August 15, 1932Herbert Hoover3Warren Delano RobbinsMay 16, 1933March 28, 1935Franklin D. Roosevelt4Norman ArmourAugust 7, 1935January 15, 19395Daniel Calhoun RoperMay 19, 1939August 20, 19396James H. R. CromwellJanuary 24, 1940May 16, 19407Jay Pierrepont MoffatJune 13, 1940January 24, 19438Ray AthertonAugust 3, 1943August 30, 1948Franklin D. Roosevelt,Harry S. Truman9Laurence SteinhardtNovember 1, 1949March 28, 1950Harry S. Truman10Stanley WoodwardJune 22, 1950January 14, 195311R. Douglas StuartJuly 15, 1953May 4, 1956Dwight D. Eisenhower12Livingston T. MerchantMay 23, 1956November 6, 195813Richard B. WigglesworthDecember 15, 1958October 19, 196014Livingston T. MerchantMarch 15, 1961May 26, 1962John F. Kennedy15William Walton ButterworthDecember 11, 1962September 10, 1968John F. Kennedy,Lyndon B. Johnson16Harold F. LinderSeptember 10, 1968July 9, 1969Lyndon B. Johnson,Richard M. Nixon17Adolph W. SchmidtSeptember 11, 1969January 29, 1974Richard M. Nixon18William J. PorterMarch 13, 1974December 16, 1975Richard M. Nixon,Gerald R. Ford19Thomas O. EndersFebruary 17, 1976September 14, 1979Gerald R. Ford,Jimmy Carter20Kenneth M. CurtisOctober 5, 1979January 20, 1981Jimmy Carter21Paul H. Robinson, Jr.July 15, 1981September 9, 1985Ronald Reagan22Thomas M. T. NilesSeptember 10, 1985June 28, 1989Ronald Reagan,George H. W. Bush23Edward N. NeyJune 30, 1989June 20, 1992George H. W. Bush24Peter TeeleyJuly 3, 1992February 28, 1993George H. W. Bush,Bill Clinton25James BlanchardAugust 19, 1993March 15, 1996Bill Clinton26Gordon GiffinSeptember 17, 1997April 10, 2001Bill Clinton,George W. Bush27Paul CellucciApril 17, 2001March 18, 2005George W. Bush28David WilkinsJune 29, 2005January 20, 200929David JacobsonOctober 2, 2009July 15, 2013Barack Obama30Bruce Heyman March 26, 2014 January 18, 2017Elizabeth Moore Aubin Becomes Chargé d’Affaires at U.S. Embassy, U.S. Embassy & Consulates in Canada.—Elizabeth Moore Aubin (acting)January 18, 2017October 23, 2017Barack Obama, Donald Trump31Kelly CraftOctober 23, 2017August 23, 2019Donald Trump—Richard M. Mills Jr. (acting)August 23, 2019November 9, 2020—Katherine Brucker (acting)November 9, 2020May 28, 2021Donald Trump,Joe Biden—Arnold A. Chacón (acting)May 28, 2021"Appointment of Ambassador Arnold Chacon to serve as Chargé d’Affaires to Canada". United States Department of State. Retrieved June 24, 2021.December 7, 2021Joe Biden32David L. CohenDecember 7, 2021January 20, 2025—Marybeth Turner (acting)January 20, 2025April 28, 2025Donald Trump33Pete HoekstraApril 29, 2025Incumbent

See also Ambassadors of the United States Canada–United States relations Embassy of the United States, Ottawa Foreign relations of Canada List of ambassadors of Canada to the United States Lornado, official residence of the US Ambassador to Canada

References

United States Department of State: Background notes on Canada

External links United States Department of State: Chiefs of Mission for Canada United States Department of State: Canada United States Embassy in Ottawa