(Latin: happy) Reigned from 269 to 274. Martyr; born Rome, Italy; died there. The records are uncertain as to the events of his reign. Felix sent a letter containing dogmatic exposition of the Catholic doctrine on the subject of the Trinity to the Synod of Antioch which had deposed Paul of Samosata, 269, a follower of Apollinaris, for his heretical teaching on the subject. Feast, 30 May.
- “Pope Saint Felix I”. . CatholicSaints.Info. 30 January 2013. Web. 29 May 2016. <>