Pope Saint John I

Pope Saint John I, born in Tuscany, confronted Arianism in Constantinople, martyred under Theodoric, king of the Ostrogoths.

Pope Saint Pius V

Dominican pontiff who convened Council of Trent, excommunicated Elizabeth I, patronized Palestrina, and led Holy League at Lepanto.

Pope Saint Cletus

Pope Saint Cletus, the third Pope, governed the Roman Church from about 76 to about 88 during the reigns of the Emperor Vespasian and of Domitian.

Pope Saint Caius

Pope Caius served as Bishop of Rome from 283 to 296 AD, reputedly martyred under Diocletian, celebrated for structuring ecclesiastical hierarchy and expanding early Christian sites.

Pope Saint Leo IX

Leo IX, born Bruno of Egisheim, was a reformative pope known for combating simony and clerical immorality and influencing the East-West Schism's onset.

Pope Saint Anicetus

Pope Saint Anicetus, the 11th pope, succeeded St. Pius towards the year c. 153, and reigned till about 168. He condemned Montanism, conferred with St. Polycarp on the Paschal date controversy, and forbade priests from growing their hair. He was martyred and is venerated on April 17.

Pope Saint Martin I

Pope Saint Martin I, martyred after condemning Monothelism and clashing with Byzantine authority, is the last early pope venerated as a martyr.

Pope Saint Julius I

Pope Saint Julius I, reigned 337-352, staunchly defended Orthodoxy, protected St. Athanasius, and opposed Arianism.

Pope Saint Simplicius

Pope Saint Simplicius navigated the fall of the Western Roman Empire, defended Chalcedon's decisions, and fought to preserve Rome's influence and aid Italy during barbarian incursions.

Pope Saint Hilarius

Pope Saint Hilarius, successor to Saint Leo, confirmed council works, combated Nestorianism, held Roman Councils, and enhanced church architecture; papal legate; died in 468.