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Vice President and Cabinet Under
President James Knox Polk, 1845 to 1849

Vice President

George M. Dallas 1844 Election

Cabinet

Secretary of State James Buchanan March 6, 1845 to March 7, 1849
Secretary of the Treasury Robert James Walker March 8, 1845 to March 5, 1849
Secretary of War William L. Marcy 1845 to 1849
Attorney General John Y. Mason March 11, 1845 to September 9, 1846
Nathan Clifford October 7, 1846 to to June 20, 1848
Isaac Toucey June 29, 1848 to March 7, 1849
Postmaster General Cave Johnson March 6, 1845 to March 5, 1851
Secretary of the Navy George Bancroft March 10, 1845 to September 8, 1846
John Y. Mason September 9, 1846 to March 8, 1849