Names
- Legaré, Hugh Swinton, 1797-1843.1
- Leslie, Charles Robert, 1794-1859.1
- Lester, C. Edwards (Charles Edwards), 1815-1890.1
- Lewis, William Berkeley, 1784-1866.1
- Lieber, Francis, 1800-1872.1
- Lincoln, Benjamin, 1733-1810.1
- Linn, Lewis Fields, 1795-1843.1
- Littell, Eliakim, 1797-1870.1
- Livingston, Edward, 1764-1836.1
- Lloyd, Delia A.1
- Long, John Davis, 1838-1915.1
- Lord, H.1
- Lyell, Thomas, 1775-1848.1
- Lyons, Richard Bickerton Lyons, Earl, 1817-1887.1
- Mabie, Hamilton Wright, 1845-1916.1
- Macomb, Alexander, 1782-1841.1
- Madison, James, 1751-1836.1
- Malmesbury, James Howard Harris, Earl of, 1807-1889.1
- Marcy, William Learned, 1786-1857.1
- Margry, Pierre, 1818-1894.1