| Name | Relationship with Ryan Paul | Civil | Canon |
| Cacy, Chyrl Choe | Wife of the 3rd cousin twice removed | | |
| Cacy, Cory | 4th cousin once removed | XI | 6 |
| Cales, Dwaine | Husband of the 4th cousin twice removed | | |
| Cales, Jessica Elizabeth | 5th cousin once removed | XIII | 7 |
| Cales, Joshua | 5th cousin once removed | XIII | 7 |
| Callahan, Darren J. | Husband of the 7th cousin once removed | | |
| Callahan, Frances | Wife of the 3rd cousin 3 times removed | | |
| Callahan, Marie | Wife of the 1st cousin 3 times removed | | |
| Cameron, Dean Paul | 4th cousin once removed | XI | 6 |
| Cameron, Mary Sharon | 4th cousin once removed | XI | 6 |
| Cameron, Timothy | Ex-husband of the 3rd cousin twice removed | | |
| Cappel, Ralph Edward | Husband of the 6th cousin twice removed | | |
| Carkhuff, Shelia Louise | Wife of the 4th cousin once removed | | |
| Carmen, Marie Del | Wife of the 4th cousin once removed | | |
| Carol | Wife of the 4th cousin twice removed | | |
| Carter, Walter | Husband of the 1st cousin 3 times removed | | |
| Casper, Mary | Wife of the 3rd cousin twice removed | | |
| Cass, Edward Packard | 4th cousin twice removed | XII | 7 |
| Cass, Richard Somars | 4th cousin twice removed | XII | 7 |
| Cass, William True | Husband of the 3rd cousin 3 times removed | | |
| Cassidy, Pamela G. | Wife of the 6th cousin twice removed | | |
| Cates, Shirley June | Wife of the 6th cousin twice removed | | |
| Chambers, Cheryl Lynn | Wife of the 3rd cousin twice removed | | |
| Chambers, Heather Renee | Wife of the 7th cousin once removed | | |
| Chambers, Raymond Joseph | Husband of the 3rd cousin twice removed | | |
| Chambers, Richard Charles | 4th cousin once removed | XI | 6 |
| Husband of the 4th cousin twice removed | | |
| Chance, Michael John | 5th cousin once removed | XIII | 7 |
| Chance, Richard | Husband of the 4th cousin twice removed | | |
| Chaney, Laura | Wife of the 6th cousin twice removed | | |
| Chayet, David Owen | Husband of the 2nd cousin once removed | | |
| Husband of the 4th cousin once removed | | |
| Cheslock, Edward | Husband of the 2nd cousin twice removed | | |
| Chiccelly, Laura | 3rd cousin once removed | IX | 5 |
| Chiccelly, Lawrence | Husband of the 2nd cousin twice removed | | |
| Chiccelly, Lawrence | 3rd cousin once removed | IX | 5 |
| Chiccelly, Leslie | 3rd cousin once removed | IX | 5 |
| Chiccelly, Lisa | 3rd cousin once removed | IX | 5 |
| Chmura, Stella | Wife of the great-granduncle | | |
| Christy, Barbara Sue | Wife of the 3rd cousin twice removed | | |
| Chumbley, G. W. | Husband of the 3rd cousin once removed | | |
| Cichonski, Mary | 2nd great-grandmother | IV | 4 |
| Cindy | Wife of the 4th cousin twice removed | | |
| Cindy | Wife of the 6th cousin twice removed | | |
| Clara | Wife of the 1st cousin 4 times removed | | |
| Clark, Angela Kay | 5th cousin once removed | XIII | 7 |
| Clark, Aurthur | Husband of the 5th cousin once removed | | |
| Clark, Carolyn Joyce | Wife of the 2nd cousin twice removed | | |
| Clark, Craig Eugene | Husband of the 4th cousin twice removed | | |
| Clark, Ida | Wife of the 5th cousin once removed | | |