Pope Saint Eusebius (309)

The pope of a crisis already begun

Eusebius is not a pope of programmes. He leaves no treatise, no letter, no developed authentic decree. His importance comes from a very precise crisis: readmission to communion after public apostasy. Under Marcellus I, the same question had already produced disturbances and the exile of the pope by Maxentius.^[7] Under Eusebius, the wound reopens around Heraclius.

The word lapsi designates the Christians "fallen" during the persecutions. Some had sacrificed to the pagan gods, burned incense, obtained a certificate of sacrifice, handed over sacred books, or yielded through fear of confiscations, forced labour, exile or death.^[8] The ancient Church could not treat these acts as mere private weaknesses: apostasy was public, and so was the wound inflicted on communion.

Mercy without laxity, discipline without despair

The line of Eusebius is Catholic in the most exact sense: it refuses both simplifications. To refuse any return to the lapsi would be to fall into Novatian rigorism; to admit the fallen immediately without penance would be to betray the martyrs and trivialise denial. Between the two, the Church calls for real penance, then opens the door to reconciliation.^[9][10]

This position had already taken shape after the persecution of Decius, in the mid-third century: apostates were not to be abandoned, but exhorted to do penance; the dying could receive communion; cases were to be weighed according to the circumstances of the fall.^[11] Eusebius applies this Roman tradition in a new crisis, after Diocletian.

"Produce good fruit as evidence of your repentance." — John the Baptist, Matthew 3:8^[12]

A martyrdom through exile

Eusebius is not a martyr like Sixtus II, killed in the persecution of Valerian, nor like the martyrs delivered to the sword. His martyrological memory comes from his exile and his pastoral fidelity. Damasus says that he bore exile "rejoicing, with the Lord as judge" and that he died in Sicily.^[13] The Catholic Encyclopedia explains that this firm defence of ecclesial discipline and the exile suffered for it account for his veneration as a martyr.^[14]

The case is spiritually important. It recalls that a pastor can bear witness to Christ not only by dying under an explicitly anti-Christian sentence, but also by enduring the consequences of a pastoral fidelity that has become unbearable to factions.

Table of the principal witnesses

The solid core thus holds in few facts: Eusebius governs Rome for about four months; he faces the crisis of the lapsi; Heraclius leads an opposition; the conflict turns violent; Maxentius exiles both adversaries; Eusebius dies in Sicily; his body is then laid in a cubicle of the catacomb of Callistus, where Damasus will have his eulogy inscribed.^[15][16][17]

The Liberian Catalogue: four months and sixteen days

The Liberian Catalogue, preserved in the Chronograph of 354, is the soberest chronological source: "Eusebius, four months and sixteen days, from the 14th day before the calends of May to the 16th day before the calends of September".^[18] In the modern calendar, this gives 18 April to 17 August. The official list of the Holy See takes up these two dates for the year 309.^[19]

The difficulty comes from the year: several syntheses speak of 309 or 310. The Catholic Encyclopedia keeps this caution, because the consular synchronisms around Maxentius are confused and the ancient lists do not always harmonise easily.^[20] For the Ignispedia article, a distinction must therefore be made: the days and months are very solid; the exact year can be discussed, even though the official list retains 309.

Damasus: the source that gives the meaning

Without Damasus, Eusebius would be almost invisible. The epitaph gives the names, the spiritual logic and the outcome. Heraclius forbids the lapsi to weep for their sins; Eusebius teaches the wretched to weep for their crimes; the people divide; sedition, murder, war, discord and quarrels break out; both adversaries are at once driven out by the savagery of the tyrant.^[21]

"The people split into parties, fury growing: sedition, murders, war, discord, quarrels." — Saint Damasus I, epitaph of Eusebius^[22]

The poem is not an administrative chronicle. Damasus writes to honour a martyr pope and to edify pilgrims. But he does not invent an abstraction: he mentions Heraclius, the quarrel of the lapsi, the exile and the death in Sicily. The Catholic Encyclopedia stresses that fragments of the original and a sixth-century marble copy were recovered by Giovanni Battista de Rossi in the papal chapel of the catacomb of Callistus.^[23]

The Liber Pontificalis: useful data, visible errors

The Liber Pontificalis presents Eusebius as Greek, formerly a physician, and attributes to him a much longer pontificate according to certain manuscripts: two years, one month and twenty-five days, or even six years, one month and three days.^[24] These lengths contradict the Liberian Catalogue, and the critical notes of Loomis recall that the pontificate of Eusebius covers only four months, from April to August.^[25]

The notice also contains an anachronistic sentence: under Eusebius, the true Cross is said to have been found and Judas-Quiriacus baptised.^[26] Loomis points out that the author inserted here allusions to the legend of the Invention of the Cross, foreign to the historical dossier of Eusebius.^[27] Likewise, the December ordinations cannot be attributed to Eusebius if his pontificate ends in August.^[28]

Two indications remain useful, however: the tradition of his Greek origin and his burial in a crypt of Callistus, on the Appian Way.^[29] These points agree with the archaeological memory of the region of Popes Caius and Eusebius in the catacomb.

The great persecution is not merely over: it left ruins

The persecution of Diocletian did not only produce martyrs. It disorganised communities, destroyed or confiscated places, burned or surrendered sacred books, and created a mass of compromised Christians. Under Marcellinus, the crisis had left the Roman see vacant for several years; under Marcellus I, the recovery had already triggered the penitential conflict.^[30][31]

Eusebius thus receives an impossible pontificate: too short to rebuild, long enough to pay for fidelity. His role consists less in inventing a new discipline than in maintaining the one Rome had already adopted: opening the return to the fallen, but only through conversion.

The party of Heraclius

Heraclius is known almost only through the epitaph of Damasus. His name has sometimes been presented as that of an antipope, but the surviving sources do not allow a structured election or a parallel succession comparable to the later great schisms to be reconstructed.^[32] The certain point is that he leads or embodies a faction opposed to Eusebius on the question of the lapsi.

The formula of Damasus, "Heraclius forbade the fallen to weep for their sins", has kept historians discussing. Did he want to prevent all penance because he refused readmission, in the manner of a rigorist? Or did he want to prevent penitential tears because he demanded immediate readmission without penance? Kirsch judges the second hypothesis far more probable: Heraclius is said to have represented the apostates and their supporters demanding immediate return to communion.^[33]

Why the conflict turns violent

The Catholic Encyclopedia pictures a concrete scene: Heraclius and his supporters are said to have sought to impose their admission to worship by force, which the faithful gathered around Eusebius refused.^[34] Damasus uses very strong words: sedition, murders, war, discord, quarrels.^[35] The crisis must therefore not be reduced to a debate among theologians.

The strength of the position of Eusebius lies precisely in this articulation: he does not close the door, but he refuses to let the door be forced. The communion of the Church is not a place retaken by collective pressure; it is received in the humility of repentance.

Maxentius as brutal arbiter of public order

Maxentius is not Diocletian. At Rome, his reign marks rather a relaxation of active persecution. But he remains a pagan sovereign concerned with urban order. When the conflict of the Christians becomes visible and violent, he does not resolve the doctrinal question: he exiles those responsible. Damasus speaks of the "savagery of the tyrant"; Kirsch specifies that Maxentius banished both Eusebius and Heraclius.^[36][37]

The gesture is politically logical: to remove the two poles of the conflict in order to calm Rome. But, from the Christian point of view, it reveals something else: the pastor who defends penance can be treated as a troublemaker, because the truth he protects prevents a superficial peace.

The Trinacrian shore

Damasus writes that Eusebius left "the world and life" on the Trinacrian shore.^[38] Trinacria is the poetic name of Sicily, the island of three points. The Catholic Encyclopedia concludes that Eusebius was deported to Sicily and died there shortly afterwards.^[39]

The sentence is beautiful and precise: exile is not only a geographical fact. Eusebius dies far from his Church, but Damasus insists on his joy under the judgement of the Lord. The political measure of Maxentius becomes, in Christian memory, a testimony: Eusebius did not yield in order to stay in Rome.

"He bore exile, rejoicing, with the Lord as judge, and on the Trinacrian shore he left the world and life." — Saint Damasus I, epitaph of Eusebius^[40]

Miltiades and the return of the body

After the exile of Eusebius, the see remains vacant until the election of Miltiades, on 2 July 310 or 311 according to Kirsch in his notice on Miltiades.^[41][42] The body of Eusebius is then brought back to Rome, probably under Miltiades, and laid on 26 September in a separate cubicle of the catacomb of Callistus.^[43]

This translation explains the double liturgical memory: 17 August is the date retained by the current Roman Martyrology; 26 September, the former feast, refers to the Roman deposition in the Depositio episcoporum and to the tradition of his tomb.^[44][45][46]

A cubicle distinct from the crypt of the popes

Eusebius does not rest in the great crypt of the third-century popes, but in a special cubicle of the catacomb of Callistus, near the region associated with Popes Caius and Eusebius.^[47][48] The notice of the Pontifical Commission for Sacred Archaeology recalls that Callistus is the first official cemetery of the Roman community and the "glorious sepulchre of the third-century popes"; it also mentions the region of the holy Popes Caius and Eusebius.^[49]

The place has a symbolic scope. Eusebius dies far from Rome, but his body returns to the cemetery of the Roman Church. The community he served keeps its pastor as a witness of penitential peace.

Damasus and Filocalus: a monumental memory

In the fourth century, Damasus has the tomb honoured with a monumental epitaph. Vatican News, on presenting the restoration of the cubicle in 2025, recalls that the inscription was written and signed on the edge of the slab by Furius Dionysius Filocalus, the famous calligrapher of Damasus.^[50]

This detail matters for reception: Damasus does not merely compose a poem; he monumentalises an official reading of the crisis. The exiled pope becomes a Roman model: not the man of a party, but the pastor who kept the bonds of peace because he refused reconciliation without penance.

The restoration of 2025

On 4 June 2025, Cardinal Pietro Parolin presided over the inauguration of the restorations of the cubicle of Saint Eusebius in the catacomb of Callistus, on the centenary of the motu proprio I primitivi cemeteri of Pius XI, which defines the mission of the Pontifical Commission for Sacred Archaeology.^[51] The president of the Commission, Msgr Pasquale Iacobone, insisted there on the meaning of the catacombs: they speak first not of death, but of paradise, resurrection and hope.^[52]

Vatican News also sums up the interest of the place: the cubicle of Eusebius, somewhat forgotten, has recovered its legibility; the restoration makes it possible to perceive the richness of the decoration intended from the time of Damasus to honour the memory of a martyr pope.^[53]

Mercy begins with truth

The sentence of Damasus is harsh to a modern sensibility: "to weep for one's crimes". Yet it expresses a deep biblical intuition. Christian mercy does not consist in acting as if sin had not happened; it consists in reopening the path to God through the truth of the heart. Peter, after his denial, does not return to Christ by pleading, but by tears.^[54]

"And he went out and wept bitterly." — Gospel according to Saint Luke, 22:62^[55]

Eusebius is thus the pope of a demanding mercy. He does not deny the weakness of the fallen, he does not lock them in their fault, but he refuses to steal penance from them. By calling them to weep, he gives them back the path of healing.

Peace is not kept by forgetting

Damasus says that Eusebius "kept intact the bonds of peace" at the very moment when the people divided.^[56] The paradox is strong: the true guardian of peace may seem to provoke the crisis, because he refuses false peace. If Heraclius represents immediate reintegration, he offers a swift but fragile peace; Eusebius defends a slower peace, rooted in conversion.

The lesson goes beyond the fourth century. In the Church, sacramental reconciliation is not an administrative erasure. It presupposes contrition, confession, possible reparation and forgiveness. Eusebius recalls that visible communion is too holy a gift to be seized by pressure.

A saint for humiliated pastors

Eusebius did not have time to build a basilica, write an encyclical or hold a great council. His pontificate is almost entirely reduced to a crisis, a conflict and an exile. That is precisely what makes him precious: he shows a pastoral holiness without outward splendour, yet solid in the essential decision.

To be a pastor, here, means holding a line no one wants to hear: the fallen can return, but they must convert; the Church forgives, but she does not lie; peace is a good, but not at the price of truth.

The surest facts

The synthesis

Saint Eusebius is the pope of four months who refused two opposite lies: the despair that closes the door to the fallen, and the laxity that would bring them back without penance. His adversary Heraclius wanted to abolish tears; Eusebius makes them necessary, not out of harshness, but because Christian mercy begins with truth. Maxentius exiles him to Sicily; Rome brings him back to Callistus; Damasus inscribes his name in the memory of the martyrs.

• Pope Saint Marcellinus (296-304) — pope of the great persecution of Diocletian and the disputed dossier of a fall.
• Pope Saint Marcellus I (308-309) — immediate predecessor of Eusebius, already confronted with the lapsi.
• Pope Saint Miltiades — successor of Eusebius, pope of the Constantinian peace and the first Donatist dossier.
• The Christian catacombs of Rome — context of Callistus, of the crypt of the popes and of the cubicle of Eusebius.
• Donatism — African schism born around the traditores, the lapsi and the holiness of the Church.