Roman Catholic and Orthodox churches: General Biographies
- Cajetan
- Cerinthus
- Charles Edward Coughlin
- Charles Martial Allemand Lavigerie
- Charles vicomte de Foucauld
- Clement of Alexandria
- Cornelis Jansen
- Cuthbert Tunstall
- David Beaton
- Desire Joseph Mercier
- Eusebius of Caesarea
- Eutyches
- Father Damien
- Felicite Robert de Lamennais
- Folquet de Marseille
- Francis Joseph Spellman
- Francis Xavier
- Francisco Suarez
- Francois de Salignac de la Mothe Fenelon
- Francois Xavier de Laval