Names
- O'Conor, Charles, 1804-1884.1
- O'Reilly, Alejandro, 1725-1794.1
- Orr, James Lawrence, 1822-1873.1
- Otis, James, 1725-1783.1
- Palfrey, John Gorham, 1796-1881.1
- Parkhurst, Charles Henry, 1842-1933.1
- Parkman, Francis, 1823-1893.1
- Parks, Gorham, 1794-1877.1
- Patterson, Gov. Walter, d. 1798.1
- Paulding, James Kirke, 1778-1860.1
- Peabody, George, 1795-1869.1
- Pearce, Dutee Jerauld, 1789-1849.1
- Pearce, James Alfred, 1804-1862.1
- Pendleton, Edmund Henry, 1788-1862.1
- Penn, John, 1729-1795.1
- Penn, Richard, 1735-1811.1
- Pierce, Benjamin, 1757-1839.1
- Pierce, Franklin, 1804-1869.1
- Pigot, Sir Robert, 2nd bart., 1720-1796.1
- Pitcher, Zina, 1797-1872.1