James Buchanan’ Cabinet

President:
James Buchanan	March 4, 1857 – March 4, 1861
Vice President:
John C. Breckinridge	March 4, 1857 – March 4, 1861
Secretary of State:
Lewis Cass	March 6, 1857 – December 14, 1860
Jeremiah S. Black	December 17, 1860 – March 5, 1861
Secretary of Treasury:
Howell Cobb	March 7, 1857 – December 8, 1860
Philip Francis Thomas	December 12, 1860 – January 14, 1861
John Adams Dix	January 15, 1861 – March 6, 1861
Secretary of War:
John B. Floyd	March 6, 1857 – December 29, 1860
Joseph Holt	January 18, 1861 – March 5, 1861
Attorney General:
Jeremiah S. Black	March 6, 1857 – December 16, 1860
Edwin M. Stanton	December 20, 1860 – March 4, 1861
Postmaster General:
Aaron V. Brown	March 6, 1857 – March 8, 1859
Joseph Holt	March 9, 1859 – December 31, 1860
Horatio King	February 12, 1861 – March 7, 1861
Secretary of the Navy:
Isaac Toucey	March 7, 1857 – March 4, 1861
Secretary of the Interior:
Jacob Thompson	March 10, 1857 – January 8, 1861