Surnames starting with C | Surname | First Name | Area | Country | Notes |
| Clark | Lianne | Nottingham | England | lianneclark1980@hotmail.com | |
| Clements | Ian | Port St Mary | Isle of Man | IanGClements@cs.com | |
| Crowe | Lindsay the 1st | Ramsey | Isle of Man | lindsaycrowe@breathemail.net | |
| Cyr | Kay | - | USA | jesst5@worldnet.att.net | |