| Name | Birth date | Relationship with Megan Robinson |
| Cosper, Christopher Allen | 09 Jun 1965 | 1st cousin once removed |
| Cosper, Donald Ray | 04 Mar 1945 | Husband of the grandaunt |
| Cosper, James Ray | 11 Jul 1966 | 1st cousin once removed |
| Cosper, KayVena Dawn | 14 Jan 1972 | 1st cousin once removed |
| Cosper, Scott Edward | 27 Nov 1967 | 1st cousin once removed |
| Coutu, Marjorie | 11 Aug 1943 | Wife of the 2nd cousin twice removed |
| Cowan, Glen | | Husband of the great-grandaunt |
| Cox | | Husband of the 2nd cousin once removed |
| Cox, Jonathan James | 1997 | 3rd cousin |
| Crowder, Regina Ann | | Wife of the uncle |
| Crowe, Avery Jo | 12 Aug 1996 | 2nd cousin |
| Crowe, Jason L. | | Husband of the 1st cousin once removed |
| Crowe, Taylor Lynn | 30 Mar 1994 | 2nd cousin |
| Crowell, Sharon Kay | 22 Aug 1961 | Wife of the 2nd cousin twice removed |
| Crowson, John Wayne | 05 Aug 1941 | 2nd cousin twice removed |
| Crowson, Tuitman | 1916 | Husband of the 1st cousin 3 times removed |
| Culler, Della May | 26 Sep 1884 | Wife of the 2nd great-granduncle |
| Cummins, Freda | 22 Apr 1946 | Wife of the 1st cousin 3 times removed |
| Curmitt, Bruce Lynn | | Husband of the 2nd cousin twice removed |
| Currens, Janet Eleine | | Wife of the 3rd cousin once removed |
| Czyrka, Carol Ann | 12 Sep 1946 | Wife of the 1st cousin twice removed |
| Danials, Muade | | Wife of the 3rd great-grandfather |
| Daniels, Corilda | 20 Mar 1859 | 3rd great-grandmother |
| Daniels, John C. | 29 Jan 1828 | 4th great-grandfather |
| Daniels, Josaphine | 1862 | 3rd great-grandaunt |
| Daniels, Kit | | 3rd great-grandaunt |
| Daniels, Maude | | 3rd great-grandaunt |
| | | Wife of the 3rd great-grandfather |
| Daniels, Nora Ellen | 23 May 1870 | 3rd great-grandaunt |
| Daniels, Sherry | | Wife of the 3rd cousin once removed |
| Daniels, Vicky | | 3rd great-grandaunt |
| Darling, James | 1954 | Husband of the 3rd cousin once removed |
| Darling, James Joseph | 24 Nov 1981 | 4th cousin |
| Darling, Shannon | 1988 | 4th cousin |
| Darnell, Wanda Lee | 25 Dec 1927 | Wife of the 1st cousin 3 times removed |
| Darrel | | Husband of the 1st cousin twice removed |
| Davis, Barbara Lou | 02 Oct 1946 | Wife of the granduncle |
| Davis, William Scott | | Husband of the 3rd cousin once removed |
| Dawn, Natasha | 17 Feb 1986 | 4th cousin |
| Debbie | | Wife of the uncle |
| Decker, Janike | Abt. 1710 | 7th great-grandmother |
| Defenbaugh, Catherine Louise | 02 Sep 1916 | 2nd cousin twice removed |
| Defenbaugh, Christine Elizabeth | 21 Dec 1979 | 4th cousin |
| Defenbaugh, George Earl | 28 Jul 1921 | 2nd cousin twice removed |
| Defenbaugh, Georgr Earl Jr. | 17 Oct 1951 | 3rd cousin once removed |
| Defenbaugh, Herbert Francis | 05 Jul 1919 | 2nd cousin twice removed |
| Defenbaugh, Herbert H. | 04 Apr 1893 | Husband of the 1st cousin 3 times removed |
| Defenbaugh, John Mark | 03 Jan 1976 | 4th cousin |
| Defenbaugh, Linda Sue | 22 Apr 1951 | 3rd cousin once removed |
| Defenbaugh, Louise | 01 Feb 1955 | 3rd cousin once removed |