Secretary of War

Kenneth Claiborne Royall 1947 Robert P. Patterson 1945–1947 Henry L. Stimson 1940–1945 Harry Hines Woodring 1936–1940 George Dern 1933–1936 Patrick J. Hurley 1929–1933 Dwight F. Davis 1925–1929 John W. Weeks 1921–1925 Newton D. Baker 1916–1921 Lindley Miller Garrison 1913–1916 Henry L. Stimson 1911–1913 Jacob M. Dickinson 1909–1911 Luke Edward Wright 1908–1909 William Howard Taft 1904–1908 Elihu Root 1899–1904 Russell A. Alger 1897–1899 Daniel S. Lamont 1893–1897 Stephen B. Elkins 1891–1893 Redfield Proctor 1889–1891 William Crowninshield Endicott 1885–1889 Robert Todd Lincoln 1881–1885 Alexander Ramsey 1879–1881 George W. McCrary 1877–1879 Alphonso Taft 1876 William W. Belknap 1869–1876 William Tecumseh Sherman Acting Secretary of War 1869 John Schofield 1868–1869 Ulysses S. Grant 1867–1868 Edwin Stanton 1862–1868 Simon Cameron 1861–1862 Joseph Holt 1861 John B. Floyd 1857–1860 Jefferson Davis 1853–1857 Charles Magill Conrad 1850–1853 George W. Crawford 1849–1850 William L. Marcy 1845–1849 James Madison Porter 1843–1844 John Canfield Spencer 1841–1843 John Bell (Tennessee politician) 1841 Joel Roberts Poinsett 1837–1841 Lewis Cass 1831–1836 John Eaton (politician) 1829–1831 Peter Buell Porter 1828–1829 James Barbour 1825–1828 John C. Calhoun 1817–1825 William H. Crawford 1815–1816 James Monroe 1814–1815 John Armstrong Jr. 1813–1814 William Eustis 1809–1813 Henry Dearborn 1801–1809 Samuel Dexter 1800–1801 James McHenry 1796–1800 Timothy Pickering 1795–1796 Henry Knox 1789–1794 Benjamin Lincoln 1781–1783