| Name | Birth date | Relationship with Marian Yancey |
| Calegory, Karen Ann | | 3rd cousin of the husband |
| Calegory, Laura Sue | | 3rd cousin of the husband |
| Calegory, Michael Kay | | 3rd cousin of the husband |
| Calegory, Steven | | 3rd cousin of the husband |
| Callhoun, ??? | | Husband of the 2nd cousin twice removed |
| Carter, John | | Husband of the 6th cousin |
| Carter, John | | 6th cousin once removed |
| Caste, Brian | | 6th cousin |
| Caste, Richard | | 6th cousin |
| Caste, Vitold | | Husband of the 5th cousin once removed |
| Cervantes, Cody Jacob | | 2nd cousin 3 times removed of the husband |
| Cervantes, Jason Anthony | | 2nd cousin twice removed of the husband |
| Cervantes, Madison Kaylie | | 2nd cousin 3 times removed of the husband |
| Cervantes, Martin Joseph | | 2nd cousin twice removed of the husband |
| Cervantes, Raquelle Leilani | | 2nd cousin 3 times removed of the husband |
| Cervantes, Savannah Lauren | | 2nd cousin 3 times removed of the husband |
| Chamalbide, Marie | | Daughter-in-law |
| Charnceauime, Elizabeth | | Wife of the 3rd great-granduncle |
| Checinska, Antonina | November 01, 1886 | 3rd cousin once removed |
| Checinski, Hieromin | Abt. 1866 | Husband of the 2nd cousin twice removed |
| Cheshire, ??? | 1881 | 1st cousin twice removed of the husband |
| Cheshire, ??? | 1882 | 1st cousin twice removed of the husband |
| Cheshire, Aaron Ray | | 3rd cousin once removed of the husband |
| Cheshire, Ann | | 4th great-grandaunt of the husband |
| Cheshire, Annette Renee | | 3rd cousin of the husband |
| Cheshire, Arvin | | Half 2nd cousin once removed of the husband |
| Cheshire, Betty Jean | December 23, 1923 | 2nd cousin once removed of the husband |
| Cheshire, Celia Mildred | June 29, 1896 | 1st cousin once removed of the husband |
| Cheshire, Charles C. | November 08, 1881 | Half great-granduncle of the husband |
| Cheshire, Charlotte Freer | January 19, 1880 | Grandaunt of the husband |
| Cheshire, Clarence Fred | | 1st cousin once removed of the husband |
| Cheshire, Darwin | | Half 2nd cousin once removed of the husband |
| Cheshire, David | | Half 2nd cousin once removed of the husband |
| Cheshire, Douglas Leslie | | Half 2nd cousin once removed of the husband |
| Cheshire, Eliza | July 26, 1849 | Great-grandaunt of the husband |
| Cheshire, Elizabeth | March 24, 1858 | Great-grandaunt of the husband |
| Cheshire, Ella Rogers | October 26, 1884 | 1st cousin twice removed of the husband |
| Cheshire, Erma A. | August 22, 1904 | 1st cousin once removed of the husband |
| Cheshire, Erma Lucile | December 29, 1893 | 1st cousin twice removed of the husband |
| Cheshire, Ester Marie | February 20, 1891 | 1st cousin once removed of the husband |
| Cheshire, Esther | | 4th great-grandaunt of the husband |
| Cheshire, Floyd Bennett | | 1st cousin once removed of the husband |
| Cheshire, George | | 5th great-granduncle of the husband |
| Cheshire, George | | 4th great-granduncle of the husband |
| Cheshire, George | June 17, 1848 | Great-granduncle of the husband |
| Cheshire, George | December 24, 1873 | Granduncle of the husband |
| Cheshire, George Thomas | December 15, 1822 | 2nd great-grandfather of the husband |
| Cheshire, Gerald | | Half 2nd cousin once removed of the husband |
| Cheshire, Glen Rogers | February 12, 1940 | 2nd cousin once removed of the husband |
| Cheshire, Hannah | | 3rd great-grandaunt of the husband |