Felix m. Latin felix'happy; blessed, lucky, fortunate; fertile'.
The name of a a 1st C Roman martyr, three 3rd C saints, a 3rd C pope, two 4th C Roman martyrs, two 4th C saint, a 4th C anti-pope, a 5th C pope, a 5th or 6th C British saint, a 6th C pope, a 7th C Anglo-Saxon saint, a 9th C Portuguese saint, an 11th C Breton saint, a 13th C French saint, and a 15th C antipope.