| Name | Birth date | Birth location | Death date | Spouse |
| Calviston Posey | 1860 | Alabama | | |
| Cansada Posey | 1859 | AL. | | |
| Carnot Posey | August 5, 1818 | WOODVILLE, MS. | November 13, 1863 | Collins, Mary |
| Carnot Posey | August 22, 1859 | WOODVILLE, MISSISSIPPI | December 24, 1883 | Semmes, Catherine Winter |
| Caroline Posey | January 20, 1821 | Illinois | October 31, 1821 | |
| Caroline Posey | 1846 | CARROLL CO., GA. | | |
| Caroline Posey | October 13, 1857 | Kentucky | | |
| Caroline Posey | 1869 | TENNESSEE | | |
| Caroline Posey | 1873 | | | |
| Caroline A Posey | Abt 1837 | | | |
| Caroline Augusta Posey | February 13, 1811 | MISSISSIPPI | September 5, 1813 | |
| Caroline E. Posey | 1853 | AL. | | |
| Carolyn Marie Posey | August 11, 1972 | | | |
| Carrie Elizabeth Posey | August 31, 1863 | | | |
| Carrie Lynn Posey | May 1, 1979 | CALIFORNIA | | |
| Carrie Nell Posey | December 10, 1923 | LOUISIANA | | Ford, Hardy Prentis |
| Cassander Posey | Abt 1754 | MARYLAND | | |
| Catherine Posey | Abt 1762 | MARYLAND | | Price, Thomas |
| Catherine Posey | Abt 1789 | Maryland | | Wynne, Thomas |
| Catherine Posey | September 15, 1798 | MD. | Aft 1850 | |
| Catherine Posey | 1808 | MARYLAND | June 19, 1865 | Golden, William Perry |
| Catherine Posey | Abt 1810 | | 1870 | |
| Catherine Posey | July 29, 1837 | BLOUNT CO., AL. | | |
| Catherine Posey | 1866 | | | |
| Catherine Posey | 1876 | | | |
| Catherine F Posey | February 22, 1880 | | | |
| Catherine L Posey | Abt 1891 | Maryland | | Posey, Unknown Husband of Catherine L. |
| Catherine Wife Of Samual T Posey | Abt 1787 | Virginia | Aft 1832 | Posey, Samuel T. |
| Cecil Posey | May 29, 1849 | Kentucky | | Mary M. |
| Cecil Posey | August 2, 1890 | CALIFORNIA | | |
| Cecil Woodrow Posey | Abt 1908 | | | |
| Celia Austin Posey | June 9, 1936 | | | Knight, Donald Richard |
| Cephus Posey | Abt 1875 | | | Smith, Melissa |
| Charity Posey | | | | |
| Charity Posey | June 2, 1743 | Maryland | | Adams |
| Charity Posey | December 5, 1763 | Maryland | Aft 1803 | Lancaster, Thomas |
| Charity Posey | Bef 1782 | Maryland | | White |
| Charity Posey | April 12, 1794 | MARYLAND | 1795 | |
| Charles Posey | 1788 | Maryland | 1843 | Calhoun, Matilda |
| Charles Posey | September 14, 1796 | MARYLAND | December 1, 1871 | Shaw, Henrietta M. |
| Charles Posey | Aft 1824 | | | |
| Charles Posey | 1832 | AUTAUGA CO., AL. | | |
| Charles Posey | 1878 | South Carolina | | |
| Charles Posey | March 30, 1947 | SAN ANTONIO | | Suzanne Marie |
| Charles A Posey | 1853 | TENNESSEE | | |
| Charles Alfred Posey | April 15, 1892 | LODI, San Joaquin Co, CALIFORNIA | June 6, 1962 | Norma Louise |
| Charles Felton Posey | Abt 1850 | | Abt 1878 | |
| Charles Francis Posey | December 13, 1761 | MARYLAND | | |
| Charles N. Posey | 1890-1920 | | | |
| Charles P Posey | Abt 1883 | MARYLAND | | |