| tate of Residency | Appointment | Presentation of Credentials | Termination of Mission | Notes | | a href="/encyclopedia/Francis-Dana" title="Francis Dana">Francis Dana | Massachusetts | December 19 1780 | |September 1783 |Proceeded to post, but was not officially received at court. |
| a href="/encyclopedia/William-Short" title="William Short">William Short | Virginia | September 8 1808 | | |Commissioned during a recess of the Senate. Did not proceed to post, his nomination having been rejected by the Senate while he was en route. |
| a href="/encyclopedia/John-Quincy-Adams" title="John Quincy Adams">John Quincy Adams | Massachusetts | June 27 1809 | November 5 1809 | April 28 1814 | Nomination of March 6 1809 rejected by the Senate; nomination of June 26 1809 confirmed. |
| a href="/encyclopedia/James-A.-Bayard" title="James A. Bayard">James A. Bayard | Delaware | February 28 1815 | | |Did not proceed to post. |
| a href="/encyclopedia/William-Pinkney" title="William Pinkney">William Pinkney | Maryland | March 7 1816 | January 13 1817 | February 14 1818 | |
| a href="/encyclopedia/George-Washington-Campbell" title="George Washington Campbell">George Washington Campbell | Tennessee | April 16 1818 | February 7 1819 | July 8 1820 | |
| a href="/encyclopedia/Henry-Middleton-(governor)" title="Henry Middleton (governor)">Henry Middleton | South Carolina | April 6 1820 | June 17 1821 | August 3 1830 | |
| a href="/encyclopedia/John-Randolph" title="John Randolph">John Randolph | Virginia | May 26 1830 | |September 19 1830 |Proceeded to post, but did not present credentials. |
| a href="/encyclopedia/James-Buchanan" title="James Buchanan">James Buchanan | Pennsylvania | January 4 1832 | June 11 1832 | August 5 1833 | |
| a href="/encyclopedia/Mahlon-Dickerson" title="Mahlon Dickerson">Mahlon Dickerson | New Jersey | May 28 1834 | | |Declined appointment. |
| a href="/encyclopedia/William-Wilkins" title="William Wilkins">William Wilkins | Pennsylvania | June 30 1834 | December 14 1834 | December 24 1835 | |
| a href="/encyclopedia/John-Randolph-Clay" title="John Randolph Clay">John Randolph Clay | Pennsylvania | June 29 1836 | September 2 1836 | August 5 1837 | |
| a href="/encyclopedia/George-M.-Dallas" title="George M. Dallas">George M. Dallas | Pennsylvania | March 7 1837 | August 6 1837 | July 29 1839 | |
| a href="/encyclopedia/Churchill-C.-Cambreleng" title="Churchill C. Cambreleng">Churchill C. Cambreleng | New York | May 25 1840 | September 21 1840 | July 13 1841 | Commissioned not of record; letter of credence issued on May 25, 1840. |
| a href="/encyclopedia/Charles-S.-Todd" title="Charles S. Todd">Charles S. Todd | Kentucky | August 27 1841 | November 28 1841 | January 27 1846 | |
| a href="/encyclopedia/Ralph-I.-Ingersoll" title="Ralph I. Ingersoll">Ralph I. Ingersoll | Connecticut | August 8 1846 | May 30 1847 | July 1 1848 | |
| a href="/encyclopedia/Arthur-P.-Bagby" title="Arthur P. Bagby">Arthur P. Bagby | Alabama | June 15 1848 | January 14 1849 | May 14 1849 | |
| a href="/encyclopedia/Neill-S.-Brown" title="Neill S. Brown">Neill S. Brown | Tennessee | May 2 1850 | August 13 1850 | June 23 1853 | |
| a href="/encyclopedia/Thomas-H.-Seymour" title="Thomas H. Seymour">Thomas H. Seymour | Connecticut | May 24 1853 | April 2 1854 | July 17 1858 | Commissioned during a recess of the Senate; recommissioned after confirmation on December 6 1853. |
| a href="/encyclopedia/Francis-W.-Pickens" title="Francis W. Pickens">Francis W. Pickens | South Carolina | January 11 1858 | July 18 1858 | September 9 1860 | |
| a href="/encyclopedia/John-Appleton" title="John Appleton">John Appleton | Maine | June 8 1860 | September 9 1860 | June 8 1861 | |
| a href="/encyclopedia/Cassius-M.-Clay" title="Cassius M. Clay">Cassius M. Clay | Kentucky | March 28 1861 | July 14 1861 | June 25 1862 | |
| a href="/encyclopedia/Simon-Cameron" title="Simon Cameron">Simon Cameron | Pennsylvania | January 17 1862 | June 25 1862 | September 18 1862 | |
| a href="/encyclopedia/Cassius-M.-Clay" title="Cassius M. Clay">Cassius M. Clay | Kentucky | March 11 1863 | May 7 1863 | October 1 1869 | |
| a href="/encyclopedia/John-L.-Dawson" title="John L. Dawson">John L. Dawson | Pennsylvania | | | |Not commissioned; nomination rejected by the Senate. |
| a href="/encyclopedia/Henry-A.-Smythe" title="Henry A. Smythe">Henry A. Smythe | New York | | | |Not commissioned; nomination tabled by the Senate. |
| a href="/encyclopedia/Andrew-G.-Curtin" title="Andrew G. Curtin">Andrew G. Curtin | Pennsylvania | April 16 1869 | October 28 1869 | July 1 1872 | |
| a href="/encyclopedia/James-L.-Orr" title="James L. Orr">James L. Orr | South Carolina | December 12 1872 | March 18 1873 | May 6 1873 | |
| a href="/encyclopedia/Marshall-Jewell" title="Marshall Jewell">Marshall Jewell | Connecticut | May 29 1873 | December 9 1873 | July 19 1874 | Commissioned during a recess of the Senate; recommissioned after confirmation on December 10 1873. |
| a href="/encyclopedia/George-H.-Boker" title="George H. Boker">George H. Boker | Pennsylvania | January 13 1875 | July 24 1875 | January 14 1878 | |
| a href="/encyclopedia/Edwin-W.-Stoughton" title="Edwin W. Stoughton">Edwin W. Stoughton | New York | October 30 1877 | January 14 1878 | March 2 1879 | |
| a href="/encyclopedia/John-W.-Foster" title="John W. Foster">John W. Foster | Indiana | January 26 1880 | June 11 1880 | August 1 1881 | |
| a href="/encyclopedia/William-H.-Hunt" title="William H. Hunt">William H. Hunt | Louisiana | April 12 1882 | August 23 1882 | February 27 1884 | Died at post. |
| a href="/encyclopedia/Aaron-H.-Sargent" title="Aaron H. Sargent">Aaron H. Sargent | California | | | |Not commissioned although nomination was confirmed by the Senate. |
| a href="/encyclopedia/Alphonso-Taft" title="Alphonso Taft">Alphonso Taft | Ohio | July 4 1884 | September 3 1884 | July 31 1885 | |
| a href="/encyclopedia/Alexander-R.-Lawton" title="Alexander R. Lawton">Alexander R. Lawton | Georgia | | | |Not commissioned; nomination withdrawn before the Senate acted upon it. |
| a href="/encyclopedia/George-V.-N.-Lothrop" title="George V. N. Lothrop">George V. N. Lothrop | Michigan | May 7 1885 | July 31 1885 | August 1 1888 | Commissioned during a recess of the Senate; recommissioned after confirmation on January 13 1886. |
| a href="/encyclopedia/Lambert-Tree" title="Lambert Tree">Lambert Tree | Illinois | September 25 1888 | January 4 1889 | February 2 1889 | |
| a href="/encyclopedia/Allen-Thorndike-Rice" title="Allen Thorndike Rice">Allen Thorndike Rice | New York | March 30 1889 | | |Took oath of office, but died in the United States before proceeding to post. |
| a href="/encyclopedia/Charles-Emory-Smith" title="Charles Emory Smith">Charles Emory Smith | Pennsylvania | February 14 1890 | May 14 1890 | April 17 1892 | |
| a href="/encyclopedia/Andrew-D.-White" title="Andrew D. White">Andrew D. White | New York | July 22 1892 | November 7 1892 | October 1 1894 | |
| a href="/encyclopedia/Clifton-R.-Breckinridge" title="Clifton R. Breckinridge">Clifton R. Breckinridge | Arkansas | July 20 1894 | November 1 1894 | December 10 1897 | Officially recognized on November 1 1894. |
| a href="/encyclopedia/Ethan-A.-Hitchcock" title="Ethan A. Hitchcock">Ethan A. Hitchcock | Missouri | August 16 1897 | December 16 1897 | |Commissioned during a recess of the Senate; recommissioned after confirmation on December 18 1897. |
| a href="/encyclopedia/Ethan-A.-Hitchcock" title="Ethan A. Hitchcock">Ethan A. Hitchcock | Missouri | February 11 1898 | March 21 1898 | January 28 1899 | Position upgraded to Ambassador Extraordinary and Plenipotentiary. |
| a href="/encyclopedia/Charlemagne-Tower" title="Charlemagne Tower">Charlemagne Tower | Pennsylvania | January 12 1899 | March 19 1899 | November 19 1902 | |
| a href="/encyclopedia/Robert-S.-McCormick" title="Robert S. McCormick">Robert S. McCormick | Illinois | September 26 1902 | January 12 1903 | March 27 1905 | Commissioned during a recess of the Senate; recommissioned after confirmation on December 8 1902. |
| a href="/encyclopedia/George-V.-L.-Meyer" title="George V. L. Meyer">George V. L. Meyer | Massachusetts | March 8 1905 | April 12 1905 | January 26 1907 | |
| a href="/encyclopedia/John-W.-Riddle" title="John W. Riddle">John W. Riddle | Minnesota | December 19 1906 | February 8 1907 | September 8 1909 | |
| a href="/encyclopedia/William-Woodville-Rockhill" title="William Woodville Rockhill">William Woodville Rockhill | District of Columbia | May 17 1909 | January 11 1910 | June 17 1911 | |
| a href="/encyclopedia/Curtis-Guild" title="Curtis Guild">Curtis Guild | Massachusetts | April 24 1911 | August 17 1911 | April 24 1913 | |
| a href="/encyclopedia/Henry-M.-Pindell" title="Henry M. Pindell">Henry M. Pindell | Illinois | January 27 1914 | | |Declined appointment. |
| a href="/encyclopedia/George-T.-Marye" title="George T. Marye">George T. Marye | California | July 9 1914 | October 30 1914 | March 29 1916 | |
| a href="/encyclopedia/David-R.-Francis" title="David R. Francis">David R. Francis | Missouri | March 6 1916 | May 5 1916 | November 7 1917 | Normal relations interrupted, November 7 1917; new Government of Russia still unrecognized by the United States when Francis
left Russia on November 7, 1918. He was serving as Charg d'Affaires ad interim when Embassy in Russia was closed September 14 1919. |
a href="/encyclopedia/William-Christian-Bullitt" title="William Christian Bullitt">William Christian Bullitt | Pennsylvania | November 21 1933 | December 13 1933 | May 16 1936 | Commissioned during a recess of the Senate; recommissioned after confirmation on January 15 1934. | a href="/encyclopedia/Joseph-E.-Davies" title="Joseph E. Davies">Joseph E. Davies | District of Columbia | November 16 1936 | January 25 1937 | June 11 1938 | Commissioned during a recess of the Senate; recommissioned after confirmation on January 23 1937. | a href="/encyclopedia/Laurence-A.-Steinhardt" title="Laurence A. Steinhardt">Laurence A. Steinhardt | New York | March 23 1939 | August 11 1939 | November 12 1941 | | a href="/encyclopedia/William-H.-Standley" title="William H. Standley">William H. Standley | California | February 14 1942 | April 14 1942 | September 19 1943 | | a href="/encyclopedia/W.-Averell-Harriman" title="W. Averell Harriman">W. Averell Harriman | New York | October 7 1943 | October 23 1943 | January 24 1946 | | a href="/encyclopedia/Walter-Bedell-Smith" title="Walter Bedell Smith">Walter Bedell Smith | |March 22 1946 |April 3 1946 |December 25 1948 | | a href="/encyclopedia/Alan-G.-Kirk" title="Alan G. Kirk">Alan G. Kirk | |May 21 1949 |July 4 1949 |October 6 1951 | | a href="/encyclopedia/George-F.-Kennan" title="George F. Kennan">George F. Kennan | Pennsylvania | March 14 1952 | May 14 1952 | September 19 1952 | The Government of the Soviet Union declared Kennan persona non grata on October 3 1952, and he did not return to his post. | a href="/encyclopedia/Charles-E.-Bohlen" title="Charles E. Bohlen">Charles E. Bohlen | District of Columbia | March 27 1953 | April 20 1953 | April 18 1957 | | a href="/encyclopedia/Llewellyn-E.-Thompson" title="Llewellyn E. Thompson">Llewellyn E. Thompson | Colorado | June 3 1957 | July 16 1957 | July 27 1962 | | a href="/encyclopedia/Foy-D.-Kohler" title="Foy D. Kohler">Foy D. Kohler | Ohio | August 20 1962 | September 27 1962 | November 14 1966 | | a href="/encyclopedia/Llewellyn-E.-Thompson" title="Llewellyn E. Thompson">Llewellyn E. Thompson | Colorado | October 13 1966 | January 23 1967 | January 14 1969 | | a href="/encyclopedia/Jacob-D.-Beam" title="Jacob D. Beam">Jacob D. Beam | |March 14 1969 |April 18 1969 |January 24 1973 |Adolph Dubs served as Charg d'Affaires ad interim between January 1973 and March 1974. | a href="/encyclopedia/Walter-J.-Stoessel,-Jr." title="Walter J. Stoessel, Jr.">Walter J. Stoessel, Jr. | |December 19 1973 |March 4 1974 |September 13 1976 | | a href="/encyclopedia/Malcolm-Toon" title="Malcolm Toon">Malcolm Toon | New York | November 24 1976 | January 18 1977 | October 16 1979 | Commissioned during a recess of the Senate; recommissioned after confirmation on June 8 1977. | a href="/encyclopedia/Thomas-J.-Watson,-Jr." title="Thomas J. Watson, Jr.">Thomas J. Watson, Jr. | Connecticut | October 10 1979 | October 29 1979 | January 15 1981 | | a href="/encyclopedia/Arthur-Adair-Hartman" title="Arthur Adair Hartman">Arthur Adair Hartman | Maryland | September 28 1981 | October 26 1981 | February 20 1987 | | a href="/encyclopedia/Jack-F.-Matlock,-Jr." title="Jack F. Matlock, Jr.">Jack F. Matlock, Jr. | Florida | March 12 1987 | April 6 1987 | August 11 1991 | | a href="/encyclopedia/Robert-S.-Strauss" title="Robert S. Strauss">Robert S. Strauss | Texas | August 2 1991 | August 24 1991 | November 19 1992 | Commissioned to the USSR - continued to serve as Ambassador to the Russian Federation after the dissolution of the Soviet Union. | | a href="/encyclopedia/Thomas-R.-Pickering" title="Thomas R. Pickering">Thomas R. Pickering | New Jersey | May 12 1993 | May 21 1993 | November 1 1996 | Chargs d'Affaires ad interim: Richard M. Miles (November 1996-May 1997), and John F. Tefft (May 1997-January 1998). |
| a href="/encyclopedia/James-F.-Collins" title="James F. Collins">James F. Collins | Illinois | August 1 1996 | January 26 1998 | | |