Name Portrait Home state Presented credentials Terminated Caleb Cushing Massachusetts June 12, 1844 August 27, 1844 Alexander Hill Everett Massachusetts October 26, 1846 June 28, 1847 John W. Davis Indiana October 6, 1848 May 25, 1850 Humphrey Marshall Kentucky July 4, 1853 January 27, 1854 Robert Milligan McLane Maryland November 3, 1854 December 12, 1854 Peter Parker Massachusetts July 15, 1856 August 25, 1857 William B. Reed Pennsylvania May 3, 1858 November 11, 1858 John Elliott Ward Georgia August 10, 1859 December 15, 1860 Anson Burlingame Massachusetts August 20, 1862 November 21, 1867 John Ross Browne California October 28, 1868 July 5, 1869 Frederick Low California April 27, 1870 July 24, 1873 Benjamin Avery California November 29, 1874 November 8, 1875 George Seward California April 24, 1876 August 16, 1880 James Burrill Angell Michigan August 16, 1880 October 4, 1881 John Russell Young New York August 17, 1882 April 7, 1885 Charles Harvey Denby Indiana October 1, 1885 July 8, 1898 Edwin H. Conger Iowa July 8, 1898 April 4, 1905 William Woodville Rockhill District of Columbia June 17, 1905 June 1, 1909 William J. Calhoun Illinois April 21, 1910 February 26, 1913[note 1]