Christian (and all variants)
CianConanCalebCallumCauy
ColeColin (and all variants)
CephasCaspianCaiusCier
Calgary
CedarCaillou
CyrusCuán
CebrianCiaranCael (and all variants)
Corbin (and all variants)
CreightonCairn (and all variants)
Corcoran
Cochran
CassiusCary (and all variants)
CallahanCoinin
Crius
Taking Chappel and Cobain.
.
Catherine Ann Genevieve.