| Name | Birth date | Death date |
| Postlethwait, Holly | Private | |
| Postlethwait, Homer | Abt. 1903 | Unknown |
| Postlethwait, Hope Garnell | Private | |
| Postlethwait, Howard | Private | |
| Postlethwait, Ida Belle | February 24, 1883 | May 12, 1966 |
| Postlethwait, Ida Olive | June 26, 1890 | September 1961 |
| Postlethwait, Imogene | Private | |
| Postlethwait, Imogene | Private | |
| Postlethwait, Ira Foster | March 1866 | June 29, 1948 |
| Postlethwait, Isaac | 1796 | Unknown |
| Postlethwait, Isaac Luther | November 04, 1869 | November 08, 1960 |
| Postlethwait, J. Everett | January 27, 1897 | Abt. 1951 |
| Postlethwait, James | January 12, 1776 | Unknown |
| Postlethwait, James Buchanan | Abt. 1856 | Unknown |
| Postlethwait, James Mcdonald | April 25, 1894 | December 29, 1966 |
| POSTLETHWAIT, JANE | Abt. 1818 | April 06, 1883 |
| Postlethwait, Jeremiah | Abt. 1838 | Unknown |
| Postlethwait, Jesse | May 13, 1891 | 1990 |
| Postlethwait, Jessie | Unknown | Unknown |
| Postlethwait, John | Private | |
| Postlethwait, John | February 05, 1734/35 | October 06, 1802 |
| Postlethwait, John | 1769 | 1833 |
| Postlethwait, John | Abt. 1768 | January 29, 1852 |
| Postlethwait, John | May 01, 1848 | June 16, 1935 |
| Postlethwait, John | April 01, 1867 | March 16, 1940 |
| Postlethwait, John | May 29, 1810 | Unknown |
| Postlethwait, John | June 16, 1782 | Unknown |
| Postlethwait, John | Abt. 1849 | Unknown |
| Postlethwait, John Keith | August 1849 | January 1941 |
| Postlethwait, John L. | Abt. 1869 | Unknown |
| Postlethwait, John Lawerence | Private | |
| Postlethwait, John Lawerence | August 15, 1872 | Unknown |
| Postlethwait, John Luther | Private | |
| Postlethwait, John Newton | April 13, 1844 | Unknown |
| Postlethwait, John Thomas | December 29, 1892 | June 08, 1969 |
| Postlethwait, Joline Kayl | Private | |
| Postlethwait, Jonathan | April 08, 1811 | Unknown |
| Postlethwait, Joseph | January 06, 1828 | January 04, 1887 |
| Postlethwait, Joseph Rose | 1765 | Unknown |
| Postlethwait, Joy Elizabeth | July 22, 1905 | May 08, 1974 |
| Postlethwait, June | Private | |
| Postlethwait, Justus G. F. | April 20, 1823 | January 24, 1892 |
| Postlethwait, Karen Beryl | Private | |
| Postlethwait, Koryl F. | Private | |
| Postlethwait, Lawerence Luster | March 07, 1901 | April 04, 1966 |
| Postlethwait, Lemuel | March 24, 1808 | Unknown |
| Postlethwait, Lemuel | Abt. 1852 | Unknown |
| Postlethwait, Leonard Jefferson | September 17, 1863 | March 10, 1919 |
| Postlethwait, Leslie Burl | October 31, 1894 | February 23, 1965 |
| Postlethwait, Leslie Dewayne | Private | |