Pope Linus was the bishop of Rome from c. AD 68 to his death. He is generally regarded as the second Bishop of Rome, after St. Peter. As with all the early popes, he was canonized.
Pope Alexander I was the bishop of Rome from about 108/109 to 116/119. Some believe he suffered martyrdom under the Roman emperor Trajan or Hadrian.
Pope Marcellus I was the bishop of Rome from May or June 308 to his death. He succeeded Marcellinus after a considerable interval. Under Maxentius, he was banished from Rome in 309, on account of the tumult caused by the severity of the penances he had imposed on Christians who had lapsed under the recent persecution. He died the same year, being succeeded by Eusebius. His relics are under the altar of San Marcello al Corso in Rome. Since 1969 his feast day, traditionally kept on 16 January by the Catholic Church, is left to local calendars and is no longer inscribed in the General Roman Calendar.
Pope Boniface IV, OSB was the bishop of Rome from 608 to his death. Boniface had served as a deacon under Pope Gregory I, and like his mentor, he ran the Lateran Palace as a monastery. As pope, he encouraged monasticism. With imperial permission, he converted the Pantheon into a church. In 610, he conferred with Bishop Mellitus of London regarding the needs of the English Church. He is venerated as a saint in the Catholic Church with a universal feast day on 8 May.
Pius I was the bishop of Rome from c. 140 to his death c. 154, according to the Annuario Pontificio. His dates are listed as 142 or 146 to 157 or 161, respectively. He is considered to have opposed both the Valentinians and Gnostics during his papacy. He is considered a saint by the Catholic Church with a feast day in 11 July, but it is unclear if he died as a martyr.
Pope Celestine I was the bishop of Rome from 10 September 422 to his death on 1 August 432. Celestine's tenure was largely spent combatting various ideologies deemed heretical. He supported the mission of the Gallic bishops that sent Germanus of Auxerre in 429, to Britain to address Pelagianism, and later commissioned Palladius as bishop to the Scots of Ireland and northern Britain. In 430, he held a synod in Rome which condemned the apparent views of Nestorius.
Pope Callixtus I, also called Callistus I, was the bishop of Rome from c. 218 to his death c. 222 or 223. He lived during the reigns of the Roman emperors Elagabalus and Alexander Severus. Eusebius and the Liberian catalogue list his episcopate as having lasted five years (217–222). In 217, when Callixtus followed Zephyrinus as Bishop of Rome, he started to admit into the Church converts from sects or schisms. He was killed for being Christian and is venerated as a saint by the Catholic Church.
Pope Sixtus II, also written as Pope Xystus II, was bishop of Rome from 31 August 257 until his death on 6 August 258. He was killed along with seven deacons, including Lawrence of Rome, during the persecution of Christians by the Emperor Valerian.
Pope Valentine was the bishop of Rome and ruler of the Papal States for two months in 827. He was unusually close to his predecessor, Eugene II, rumoured to be his son or his lover, and became pope before being ordained as a priest. He was a nobleman and elected by nobility, which later became the custom.
Pope Felix I was the bishop of Rome from 5 January 269 to his death on 30 December 274.
Pope Paschal I was the bishop of Rome and ruler of the Papal States from 25 January 817 to his death in 824.
Pope Lucius I was the bishop of Rome from 25 June 253 to his death on 5 March 254. He was banished soon after his consecration, but gained permission to return. He was mistakenly classified as a martyr in the persecution by Emperor Valerian, which did not begin until after Lucius' death.
Pope Evaristus was the bishop of Rome from c. 99/100 to his death in 107/108. He was also known as Aristus and is venerated as a saint in the Eastern Orthodox Church, the Catholic Church, and Oriental Orthodoxy. It is likely that John the Apostle died during his reign period, marking the end of the Apostolic Age.
Pope Fabian was the bishop of Rome from 10 January 236 until his death on 20 January 250, succeeding Anterus. A dove is said to have descended on his head to mark him as the Holy Spirit's unexpected choice to become the next pope. He was succeeded by Cornelius.
Pope Caius, also called Gaius, was the bishop of Rome from 17 December 283 to his death in 296. Little information on Caius is available except that given by the Liber Pontificalis, which relies on a legendary account of the martyrdom of Susanna of Rome for its information. According to legend, Caius baptized the men and women who had been converted by Tiburtius and Castulus. His legend states that Caius took refuge in the catacombs of Rome and died a martyr.
Pope Marcellinus was the bishop of Rome from 30 June 296 to his death in 304. A historical accusation was levelled at him by some sources to the effect that he might have renounced Christianity during Emperor Diocletian's persecution of Christians before repenting afterwards, which would explain why he is omitted from lists of martyrs. The accusation is rejected, among others, by Augustine of Hippo. He is today venerated as a saint in the Catholic Church and in the Serbian Orthodox Church.
Pope Hyginus was the bishop of Rome from c. 138 to his death in c. 142. Tradition holds that during his papacy he determined the various prerogatives of the clergy and defined the grades of the ecclesiastical hierarchy.
Pope Simplicius was the bishop of Rome from 468 to his death. He combated the Eutychian heresy, ended the practice of consecrating bishops only in December, and sought to offset the effects of Germanic invasions.
Pope Vigilius was the bishop of Rome from 29 March 537 to his death. He is considered the first pope of the Byzantine papacy. Born into Roman aristocracy, Vigilius served as a deacon and papal apocrisiarius in Constantinople. He allied with Empress Theodora, who sought his help to establish Monophysitism, and was made pope after the deposition of Silverius. After he refused to sign Emperor Justinian I's edict condemning the Three Chapters, Vigilius was arrested in 545 and taken to Constantinople. He died in Sicily while returning to Rome.
The Catacombs of San Sebastiano are a hypogeum cemetery in Rome, Italy, rising along Via Appia Antica, in the Ardeatino Quarter. It is one of the very few Christian burial places that has always been accessible. The first of the former four floors is now almost completely destroyed.
