Term[]
- March 4, 1857 - March 4, 1861 (4 years, as 15th President of the United States)
- Preceded by Franklin Pierce
- Succeeded by Abraham Lincoln
- August 4, 1853 - March 15, 1856 (2 years, as US Minister to the United Kingdom)
- Appointed by Franklin Pierce
- Preceded by Joseph Reed Ingersoll
- Succeeded by George M. Dallas
- March 10, 1845 - March 7, 1849 (3 years, as 27th Secretary of State of the United States)
- Preceded by John C. Calhoun
- Succeeded by John M. Clayton
- December 6, 1834 - March 5, 1845 (10 years, as US Senator from Pennsylvania)
- Preceded by William Wilkins
- Succeeded by Simon Cameron
- June 11, 1832 - August 5, 1833 (1 year, as US Minister to Russia)
- Appointed by Andrew Jackson
- Preceded by John Randolph
- Succeeded by William Wilkins
- March 4, 1823 - March 3, 1831 (7 years, as US Representative from Pennsylvania's 4th District)
- Preceded by James S. Marshall
- Succeeded by William Hiester
- March 4, 1821 - March 4, 1823 (2 years, as US Representative from Pennsylvania's 3rd District)
- Preceded by Jacob Hibshman
- Succeeded by Daniel H. Miller
- 1814 - 1816 (1-2 years, as Member of the Pennsylvania State House of Representatives)
Life Data[]
- James Buchanan Jr.
- Born April 23, 1791 (Cove Gap, Pennsylvania)
- Died June 1, 1868 (77 years)
- Education: Dickinson College (BA 1809)
- Occupation: Lawyer, Politician
- Military Service: 1814-15 (1 year, Private, Pennsylvania State Militia)
- Political Party: Federalist (1814-24), Democratic-Republican (1824-28), Democratic (1828-68)
Immediate Family[]
- Father: James Buchanan (1761-1821)
- Mother: Elizabeth Speer (1767-1833)
- Sibling 1: Mary Buchanan (1789-91)
- Sibling 2: Jane Ann Buchanan (1793-1839)
- m.1813 Elliott Lane (1790-1840)
- Children: 4 sons, 1 daughter
- Sibling 3: Maria Buchanan (1795-1849)
- m.1817 Samuel Johnston (1796-1820)
- Children: 1 son
- m.1823 William Magaw (1785-1823)
- Children: 1 daughter
- m.1826 Charles Yates (1804-91)
- Children: 3 sons, 2 daughters
- Sibling 4: Sarah Buchanan (1797-1825)
- m.1818 James Huston (1792-1822)
- Children: 1 daughter
- Sibling 5: Elizabeth Buchanan (1800-01)
- Sibling 6: Harriet Elizabeth Buchanan (1802-40)
- m.1832 Robert Henry (1801-38)
- Children: 1 son, 1 daughter
- Sibling 7: John Buchanan (1804-04)
- Sibling 8: William Speer Buchanan (1805-26)
- Sibling 9: George Washington Buchanan (1808-32)
- m.1830 Elizabeth Milles (1812-55)
- Sibling 10: Edward Young Buchanan (1811-95)
- m.1836 Ann Foster (1812-91)
- Children: 1 son, 5 daughters
- Sibling 11: Samuel Buchanan (1813-16)
- Paternal Grandfather: John Buchanan (1725-1810)
- Paternal Grandmother: Jane Trindle Russell (1729-64)
- Maternal Grandfather: James Speer (1735-89)
- Maternal Grandmother: Mary Patterson (1730-88)