| Name | Birth date | Death date |
|---|
| Postlethwait, Doris | Private | |
| Postlethwait, Edmund | 1805 | Unknown |
| Postlethwait, Eliazbeth | Unknown | 1911 |
| Postlethwait, Eliza Jane | August 26, 1857 | Unknown |
| Postlethwait, Elizabeth | 1790 | Aft. 1850 |
| Postlethwait, Elizabeth | Abt. 1790 | Abt. 1854 |
| Postlethwait, Elizabeth | December 10, 1862 | April 12, 1875 |
| Postlethwait, Elizabeth | January 01, 1871 | Unknown |
| Postlethwait, Elizabeth | Abt. 1829 | Unknown |
| Postlethwait, Elizabeth Ann | Abt. 1846 | Unknown |
| Postlethwait, Elizabeth C. | | Unknown |
| Postlethwait, Elkiah | September 13, 1810 | January 08, 1896 |
| Postlethwait, Elkiah | December 15, 1751 | Unknown |
| Postlethwait, Elkiah | November 30, 1804 | Unknown |
| Postlethwait, Ella | April 05, 1900 | August 23, 1907 |
| Postlethwait, Elsa | May 12, 1871 | September 14, 1903 |
| Postlethwait, Emaline | | Unknown |
| Postlethwait, Emanuel Hoover | March 24, 1811 | Unknown |
| Postlethwait, Emanuel Hoover | Abt. 1846 | Unknown |
| Postlethwait, Emela | Abt. 1848 | Unknown |
| Postlethwait, Errol Flynn | Private | |
| Postlethwait, Ethel | Private | |
| Postlethwait, Ethel Pauline | October 10, 1912 | October 25, 1912 |
| Postlethwait, Eugene | Private | |
| Postlethwait, Evalina | September 15, 1888 | July 16, 1915 |
| Postlethwait, Ferrell | Unknown | Unknown |
| Postlethwait, Flyod | December 13, 1898 | April 25, 1899 |
| Postlethwait, Francis | Unknown | Unknown |
| Postlethwait, Francis Benton | October 29, 1889 | August 19, 1968 |
| Postlethwait, Franklin A. | June 05, 1885 | Unknown |
| Postlethwait, Franklin Neil | Private | |
| Postlethwait, Friend | | Unknown |
| Postlethwait, Gabriel Jobe | July 1845 | December 25, 1907 |
| Postlethwait, Garnet R. | August 1909 | February 1996 |
| Postlethwait, George B. | September 25, 1861 | February 04, 1941 |
| Postlethwait, George Thomas | Private | |
| Postlethwait, George Washington | 1822 | March 17, 1896 |
| Postlethwait, George Washington | June 07, 1859 | Unknown |
| Postlethwait, Georgia Virginia | March 24, 1897 | February 29, 1924 |
| Postlethwait, Gloria | Private | |
| Postlethwait, Hannah | Abt. 1762 | Abt. 1780 |
| Postlethwait, Hannah | 1785 | Abt. 1840 |
| Postlethwait, Hannah Jane | Abt. 1828 | Bef. 1895 |
| Postlethwait, Harriet | Unknown | Unknown |
| Postlethwait, Harriet Lucy | November 10, 1903 | 1913 |
| Postlethwait, Helen Kathleen | Private | |
| Postlethwait, Henry | October 28, 1778 | Unknown |
| Postlethwait, Henry C. | May 13, 1873 | Unknown |
| Postlethwait, Henry Edward | February 08, 1895 | Abt. 1959 |
| Postlethwait, Hester Ann | Abt. 1831 | Abt. 1876 |