| Name | Birth date | Relationship with Cynthia BERTRAND |
| CASSELL, Paula | 29 Apr 1942 | 3rd cousin twice removed of the husband |
| CAZORT, Celia Taylor | Abt 1915 | Ex-wife of the 3rd cousin once removed |
| CHARLTON, Anne | | 1st cousin of the husband |
| CHARLTON, Edward | | 1st cousin of the husband |
| CHARLTON, Robert | | 1st cousin of the husband |
| CHARLTON, Unk Male | | 1st cousin once removed of the husband |
| CHARLTON, Unk Male | | 1st cousin once removed of the husband |
| CHASTEL, Bertha | | Wife of the 1st cousin twice removed |
| CHILD, James | | Husband of the 4th cousin once removed |
| CHILD, James | | 5th cousin |
| CHILD, Janice | | 5th cousin |
| CHILD, Seline | | 5th cousin |
| CHILD, Virginia | | 5th cousin |
| CHURCH, Leah | | Wife of the 2nd cousin twice removed |
| | | Wife of the 2nd cousin 3 times removed |
| CLAAR, Andrew Todd | 21 Dec 1971 | 5th cousin |
| CLAAR, Holly Ann | 05 Feb 1968 | 5th cousin |
| CLAAR, John William | 23 Oct 1940 | Husband of the 4th cousin once removed |
| CLAIRFIELD, Morlyn (Toby) | 17 Dec 1940 | 3rd cousin of the husband |
| CLAIRFIELD, Sandra | 01 Jun 1942 | 3rd cousin of the husband |
| CLAIRFIELD, Sonya | 22 Aug 1933 | 3rd cousin of the husband |
| CLARK, Andre | | 1st cousin once removed of the husband |
| CLARK, Cornelia ( Martha) | 16 Dec 1911 | Wife of the 2nd cousin twice removed |
| CLARK, Valerie | | 1st cousin once removed of the husband |
| CLARKE, Noel | | Husband of the 1st cousin twice removed |
| CLAY, Martha | 18 Apr 1920 | Wife of the 2nd cousin once removed |
| CLEARY, Arthur | | Husband of the 3rd cousin twice removed |
| CLEARY, James | | 4th cousin once removed |
| CLEARY, Michael | | 5th cousin |
| CLEARY, Rira | | 4th cousin once removed |
| CLEARY, Stephen | | 5th cousin |
| CLEIN, Staci Marlen | 13 Nov 1966 | 3rd cousin once removed of the husband |
| CLEIN, Steven Mitchell | 01 Nov 1969 | 3rd cousin once removed of the husband |
| CLEIN, Unk Male | | 3rd cousin twice removed of the husband |
| CLEMENT, Harry | | Husband of the 1st cousin twice removed |
| CLINE, Aaron | 25 Jul 1981 | 3rd cousin once removed |
| CLINE, Abraham Timothy | 12 Sep 1983 | 3rd cousin once removed |
| CLINE, Anne Harper | 14 Mar 1978 | Half 1st cousin once removed of the husband |
| CLINE, David | | Husband of the 3rd cousin |
| CLINE, Jill Alexis | 07 Jul 1975 | Half 1st cousin once removed of the husband |
| CLINE, Renee Erika Beth | 31 Mar 1987 | Grandniece of the husband |
| CLOTHIER, Andrew Johnson | | Husband of the 2nd cousin 3 times removed |
| CLOTHIER, Unk Female | Abt 1905 | 3rd cousin twice removed |
| CLOUGH, Anna Kathleen | 04 Oct 1994 | 3rd cousin once removed |
| CLOUGH, Craig Allen | 03 Nov 1961 | Husband of the 3rd cousin |
| CLOUGH, Ryan Michael | 15 Dec 1989 | 3rd cousin once removed |
| COATES, Edna | 08 Dec 1880 | Ex-wife of the 2nd cousin 3 times removed |
| COHEN, Diane | 25 Oct 1946 | Half 1st cousin of the husband |
| COHEN, Laslo | | 2nd cousin twice removed of the husband |
| COHEN, Susan Evelyn | 08 Jul 1942 | Half 1st cousin of the husband |