| Name | Birth date | Birth location | Death date | Spouse |
| James Marion Posey | March 29, 1870 | Texas | May 20, 1912 | Berryman, Yancy |
| James Martin Posey | 1866 | South Carolina | | |
| James O. Posey | 1870-1900 | | | |
| James Robert Posey | 1868 | | | |
| James Scott Posey | February 22, 1878 | IOWA | September 21, 1960 | Knight, Mary Elizabeth |
| James Silas Posey | December 10, 1858 | Texas | Aft 1900 | Hannah, Emily |
| James Thomas Posey | September 6, 1831 | MARYLAND | | |
| James Wesley Posey | January 8, 1871 | | | Kelly, Mary Louise |
| James William Posey | Abt 1800 | Georgia | Abt 1849 | Ford, Jane |
| James Willis Posey | 1823 | South Carolina | 1902 | Rutledge, Mary Elizabeth |
| Jane Posey | 1682 | CHARLES CO., MD. | | Cornish, Edward |
| Jane Posey | Abt 1777 | MARYLAND | | |
| Jane Posey | 1838 | TENNESSEE | | |
| Jane Posey | 1840 | Claiborne Co, TENNESSEE | | |
| Jane Posey | 1840 | CARROLL CO., GA. | | |
| Jane Posey | December 6, 1882 | | | |
| Jane Posey | Private | | | |
| Jane Calhoun Posey | September 22, 1854 | Monroe Co, Alabama | | Hybart, Henry Hugh |
| Jane E. Posey | Abt 1865 | Maryland | | Skinner, William L. |
| Jane Jane Posey | August 13, 1828 | Alabama | February 9, 1887 | |
| Jane Maddox Posey | Bef 1800 | MARYLAND | | |
| Janie Posey | Abt 1860 | Texas | | White, J. C. |
| Jared Samuel Leighton Posey | November 28, 1973 | EL CENTRO, CALIFORNIA | | |
| Jasper Posey | 1841 | AL. | | |
| Jasper Posey | Abt 1879 | Alabama | Abt 1943 | Cash, Janey |
| Jeanne Posey | | | | |
| Jeff Posey | 1870-1900 | | | |
| Jefferson Posey | 1823 | AUTAUGA CO., AL. | Bef 1865 | Nunnally, Julianne |
| Jefferson Posey | November 6, 1843 | MISSISSIPPI | August 9, 1880 | |
| Jefferson Bryan Posey | May 8, 1823 | MISSISSIPPI | October 29, 1843 | |
| Jemima Posey | Abt 1727 | MARYLAND | | |
| Jennett Posey | Bef 1782 | MARYLAND | | |
| Jennie Posey | Abt 1781 | MARYLAND | | |
| Jennie Posey | Abt 1866 | SPRINGFIELD, South Carolina | November 20, 1939 | Baker, Charles |
| Jennie Elizabeth Posey | December 8, 1867 | IOWA | March 20, 1871 | |
| Jeremiah Posey | Bef 1800 | MARYLAND | | |
| Jeremiah Posey | November 15, 1828 | Alabama | January 6, 1868 | Lucas, Elizabeth Franklin |
| Jeremiah Posey | Abt 1859 | MARYLAND | | |
| Jeremiah A. Posey | Abt 1824 | MARYLAND | Abt 1888 | Davis, Mary E |
| Jerome W. Posey | August 21, 1919 | South Dakota | | Lorrain E. |
| Jerusha Ann Posey | Abt 1859 | | | Blythe, Harvey |
| Jesse Posey | 1767-1770 | Virginia | 1800-1825 | Wood, Susanna |
| Jesse B. Posey | 1830 | CARROLL CO, GEORGIA | | Silvey, Mary Ann |
| Jesse Brooks Posey | October 4, 1871 | Iowa | March 4, 1949 | Gaines, Flora E. |
| Jesse G. Posey | 1848 | AL. | | |
| Jesse Hamilton Posey | October 28, 1782 | ABBEVILLE, S.C. | July 9, 1840 | Brooks, Eleanor |
| Jesse Hamilton Posey | March 9, 1809 | South Carolina | October 1878 | Robert, Mary |
| Jesse Nathaniel Posey | 1903 | | 1957 | |
| Jesse W. Posey | 1844 | RANDOLPH CO., AL. | | Abee, Malinda |
| Jessie Benton Posey | February 29, 1880 | TEXAS | November 25, 1940 | Melvina |