David Humphreys
Appointment: Feb 21, 1791
Presentation of Credentials: May 13, 1791
Termination of Mission: Presented recall, Jul 25, 1797
John Quincy Adams
Appointment: May 30, 1796
Presentation of Credentials:
Note: Did not serve under this appointment.
William Smith
Appointment: Jul 10, 1797
Presentation of Credentials: Sep 8, 1797
Termination of Mission: Presented recall, Sep 9, 1801
Thomas Sumter, Jr.
Appointment: Mar 7, 1809
Presentation of Credentials: Jun 7, 1810
Termination of Mission: Presented recall, Jul 24, 1819
Note: Served at the court of Portugal in Brazil; resident at Rio de Janeiro.
John Graham
Presentation of Credentials: Jun 24, 1819
Termination of Mission: Left Rio de Janeiro, Jun 13, 1820
Note: Served at the court of Portugal in Brazil; resident at Rio de Janeiro.
Name: John James Appleton
State of Residency: Massachusetts
Title: Chargé d’Affaires
Note: Not commissioned; nomination to be Chargé d’Affaires at Rio de Janeiro rejected by the Senate. Appleton, however, served as Chargé d’Affaires ad interim from Jun 1820 until the Legation to Portugal at Rio de Janeiro was closed in 1821 (his last dispatch dated Jul 12, 1821).
Henry Dearborn, Sr.
Appointment: May 7, 1822
Presentation of Credentials:
Termination of Mission: Had farewell audience, Jun 30, 1824
Note: Arrived at Lisbon before Aug 16, 1822; did not report date of presentation of credentials.
Thomas L.L. Brent
Appointment: Mar 9, 1825
Presentation of Credentials: Jun 24, 1825
Termination of Mission: Left post on or soon after Nov 28, 1834
Note: Reaccredited on after change of government; presented new credentials Jan 18, 1830.
Edward Kavanagh
Appointment: Mar 3, 1835
Presentation of Credentials: Jul 25, 1835
Termination of Mission: Relinquished charge, Apr 19, 1841
Washington Barrow
Appointment: Aug 16, 1841
Presentation of Credentials: Dec 28, 1841
Termination of Mission: Presented recall, Feb 24, 1844
Abraham Rencher
Appointment: Sep 22, 1843
Presentation of Credentials: 20-Feb 24, 1844
Termination of Mission: Presented recall, Nov 4, 1847
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on Jan 11, 1844.
George W. Hopkins
Appointment: Mar 3, 1847
Presentation of Credentials: Nov 4, 1847
Termination of Mission: Presented recall, Oct 18, 1849
James Brown Clay
Appointment: Aug 1, 1849
Presentation of Credentials: Oct 18, 1849
Termination of Mission: Left post Aug 19, 1850
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on Mar 18, 1850.
Charles B. Haddock
Appointment: Dec 10, 1850
Presentation of Credentials: Jun 17, 1851
Termination of Mission: Presented recall, Jun 16, 1854
John L. O’Sullivan
Appointment: Feb 16, 1854
Presentation of Credentials: Jun 16, 1854
Termination of Mission: Promoted to Minister Resident
Note: Nominated Feb 25, 1856, to be Envoy Extraordinary and Minister Plenipotentiary; nomination withdrawn before the Senate acted upon it.
John L. O’Sullivan
Appointment: Jun 29, 1854
Presentation of Credentials: Oct 19, 1854
Termination of Mission: Presented recall, Jul 15, 1858
George W. Morgan
Appointment: May 11, 1858
Presentation of Credentials: Jul 15, 1858
Termination of Mission: Presented recall, Jul 19, 1861
James E. Harvey
Appointment: Mar 28, 1861
Presentation of Credentials: Jul 19, 1861
Termination of Mission: Presented recall, Jul 15, 1869
Samuel Shellabarger
Appointment: Apr 21, 1869
Presentation of Credentials: Jul 15, 1869
Termination of Mission: Relinquished charge, Jan 1, 1870
William Cumback
Appointment: Jan 28, 1870
Note: Declined appointment.
Charles H. Lewis
Appointment: Mar 15, 1870
Presentation of Credentials: Jun 15, 1870
Termination of Mission: Presented recall, Apr 8, 1875
Benjamin Moran
Appointment: Dec 15, 1874
Presentation of Credentials: Apr 8, 1875
Termination of Mission: Presented recall, Nov 9, 1876
Benjamin Moran
Appointment: Aug 15, 1876
Presentation of Credentials: Nov 15, 1876
Termination of Mission: Recall presented by successor, Sep 27, 1882
John M. Francis
Appointment: Apr 28, 1882
Note: Took oath of office, but did not proceed to post in capacity of Chargé d’Affaires.
John M. Francis
Appointment: Jul 7, 1882
Presentation of Credentials: Oct 5, 1882
Termination of Mission: Left post Aug 25, 1884
Lewis Richmond
Appointment: Jul 4, 1884
Presentation of Credentials: Oct 23, 1884
Termination of Mission: Presented recall, May 7, 1885
Edward Parke Custis Lewis
Appointment: Apr 2, 1885
Presentation of Credentials: Jun 18, 1885
Termination of Mission: Presented recall, Jun 14, 1889
George B. Loring
Appointment: Mar 30, 1889
Presentation of Credentials: Aug 29, 1889
Termination of Mission: Left post May 31, 1890
George S. Batcheller
Appointment: Oct 1, 1890
Presentation of Credentials: Dec 30, 1890
Termination of Mission: Left post Aug 17, 1892
Gilbert A. Pierce
Appointment: Jan 6, 1893
Presentation of Credentials: Mar 20, 1893
Termination of Mission: Presented recall, May 24, 1893
George William Caruth
Appointment: Apr 25, 1893
Presentation of Credentials: Jun 30, 1893
Termination of Mission: Presented recall, Jul 24, 1897
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on Aug 22, 1893.
Lawrence Townsend
Appointment: Jun 9, 1897
Presentation of Credentials: Aug 18, 1897
Termination of Mission: Presented recall, May 29, 1899
John N. Irwin
Appointment: Apr 12, 1899
Presentation of Credentials: Dec 26, 1899
Termination of Mission: Left post May 15, 1900
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on Dec 14, 1899.
Francis B. Loomis
Appointment: Jun 17, 1901
Presentation of Credentials: Aug 14, 1901
Termination of Mission: Left post Sep 16, 1902
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on Dec 10, 1901.
Charles Page Bryan
Appointment: Jan 7, 1903
Presentation of Credentials: Apr 25, 1903
Termination of Mission: Left post Jan 16, 1910
Henry T. Gage
Appointment: Dec 21, 1909
Presentation of Credentials: Jun 11, 1910
Termination of Mission: Normal relations interrupted Oct 5, 1910; new Government of Portugal still unrecognized by the United States when Gage left post on Nov 19, 1910.
Henry S. Boutell
Appointment: Mar 2, 1911
Note: Took oath of office, but did not proceed to post.
Edwin V. Morgan
Appointment: May 24, 1911
Presentation of Credentials: Aug 3, 1911
Termination of Mission: Left post Feb 11, 1912
Cyrus E. Woods
Appointment: Jan 25, 1912
Presentation of Credentials: Mar 20, 1912
Termination of Mission: Presented recall, Aug 19, 1913
Meredith Nicholson
Note: Not commissioned; nomination withdrawn before the Senate acted upon it.
Thomas H. Birch
Appointment: Sep 10, 1913
Presentation of Credentials: Dec 15, 1913
Termination of Mission: Left post Mar 15, 1922
Fred Morris Dearing
Appointment: Feb 10, 1922
Presentation of Credentials: Jun 6, 1922
Termination of Mission: Relinquished charge, Feb 28, 1930
John Glover South
Appointment: Dec 16, 1929
Presentation of Credentials: Mar 26, 1930
Termination of Mission: Left post Jul 28, 1933
Robert Granville Caldwell
Appointment: Jun 13, 1933
Presentation of Credentials: Aug 21, 1933
Termination of Mission: Left post May 28, 1937
Herbert Claiborne Pell
Appointment: May 27, 1937
Presentation of Credentials: Jul 31, 1937
Termination of Mission: Left post Feb 3, 1941
Bert Fish
Appointment: Feb 11, 1941
Presentation of Credentials: Mar 26, 1941
Termination of Mission: Died at post Jul 21, 1943
R. Henry Norweb
Appointment: Nov 15, 1943
Presentation of Credentials: Dec 3, 1943
Termination of Mission: Promoted to Ambassador Extraordinary and Plenipotentiary
Note: With the personal rank of Ambassador.
R. Henry Norweb
Appointment: May 4, 1944
Presentation of Credentials: Jun 20, 1944
Termination of Mission: Left post Feb 15, 1945
Herman B. Baruch
Appointment: Feb 9, 1945
Presentation of Credentials: [Apr 12, 1945]
Termination of Mission: Left post Mar 9, 1947
Note: Officially recognized as of Apr 12, 1945.
John C. Wiley
Appointment: Apr 10, 1947
Presentation of Credentials: Jun 18, 1947
Termination of Mission: Left post Mar 15, 1948
Lincoln MacVeagh
Appointment: Apr 8, 1948
Presentation of Credentials: Jun 9, 1948
Termination of Mission: Left post Feb 26, 1952
Cavendish W. Cannon
Appointment: Mar 13, 1952
Presentation of Credentials: Jun 2, 1952
Termination of Mission: Left post Aug 1, 1953
M. Robert Guggenheim
Appointment: Jun 24, 1953
Presentation of Credentials: Aug 12, 1953
Termination of Mission: Left post Sep 19, 1954
James C.H. Bonbright
Appointment: Jan 24, 1955
Presentation of Credentials: Feb 18, 1955
Termination of Mission: Left post Nov 27, 1958
C. Burke Elbrick
Appointment: Oct 29, 1958
Presentation of Credentials: Jan 13, 1959
Termination of Mission: Left post Aug 31, 1963
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on Jan 29, 1959.
George W. Anderson, Jr.
Appointment: Aug 1, 1963
Presentation of Credentials: Oct 22, 1963
Termination of Mission: Left post Jun 1, 1966
W. Tapley Bennett, Jr.
Appointment: May 10, 1966
Presentation of Credentials: Jul 20, 1966
Termination of Mission: Left post Jul 21, 1969
Ridgway B. Knight
Appointment: Jul 8, 1969
Presentation of Credentials: Jul 30, 1969
Termination of Mission: Left post Feb 24, 1973
Stuart Nash Scott
Appointment: Dec 19, 1973
Presentation of Credentials: Jan 23, 1974
Termination of Mission: Left post Jan 12, 1975
Frank C. Carlucci
Appointment: Dec 9, 1974
Presentation of Credentials: Jan 24, 1975
Termination of Mission: Left post Feb 5, 1978
Richard J. Bloomfield
Appointment: Feb 3, 1978
Presentation of Credentials: Mar 10, 1978
Termination of Mission: Left post Jun 10, 1982
Henry Allen Holmes
Appointment: Sep 23, 1982
Presentation of Credentials: Oct 15, 1982
Termination of Mission: Left post Jun 26, 1985
Frank Shakespeare
Appointment: Aug 2, 1985
Presentation of Credentials: Oct 16, 1985
Termination of Mission: Left post Oct 4, 1986
Richard N. Viets
Note: Nomination of Sep 15, 1987, not acted upon by the Senate. An earlier nomination of Jan 21, 1987, was also not acted upon by the Senate.
Note: Alan Flanigan (Dec 1986–Aug 1987) and Wesley W. Egan (Aug 1987–Jan 1988) served as Chargé d’Affaires ad interim.
Edward Morgan Rowell
Appointment: Jan 19, 1988
Presentation of Credentials: Jan 29, 1988
Termination of Mission: Left post Mar 30, 1990
Note: Commissioned during a recess of the Senate; recommissioned after confirmation on May 12, 1988.
Everett Ellis Briggs
Appointment: Apr 1, 1990
Presentation of Credentials: May 25, 1990
Termination of Mission: Left post Sep 3, 1993
Note: Sharon P. Wilkinson served as Chargé d’Affaires ad interim, Sep 1993–Sep 1994.
Elizabeth Frawley Bagley
Appointment: Jul 5, 1994
Presentation of Credentials: Sep 21, 1994
Termination of Mission: Left post Oct 3, 1997
Gerald S. McGowan
Appointment: Nov 10, 1997
Presentation of Credentials: Mar 10, 1998
Termination of Mission: Left post Jul 3, 2001
John N. Palmer
Appointment: Nov 5, 2001
Presentation of Credentials: Nov 28, 2001
Termination of Mission: Left post Sep 25, 2004
Alfred Hoffman, Jr.
Appointment: Oct 12, 2005
Presentation of Credential: Nov 30, 2005
Termination of Mission: Left post, Sep 15, 2007
Thomas F. Stephenson
Appointment: Oct 29, 2007
Presentation of Credential: Nov 21, 2007
Termination of Mission: June 26, 2009
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