St. Cornelius (251-53) Opposed by Novatian, antipope (251)
St. Lucius I (253-54)
St. Stephen I (254-257)
St. Sixtus II (257-258)
St. Dionysius (260-268)
St. Felix I (269-274)
St. Eutychian (275-283)
St. Caius (283-296) Also called Gaius
St. Marcellinus (296-304)
St. Marcellus I (308-309)
St. Eusebius (309 or 310)
St. Miltiades (311-14)
St. Sylvester I (314-35)
St. Marcus (336)
St. Julius I (337-52)
Liberius (352-66) Opposed by Felix II, antipope (355-365)
St. Damasus I (366-84) Opposed by Ursicinus, antipope (366-367)
St. Siricius (384-99)
St. Anastasius I (399-401)
St. Innocent I (401-17)