HistoricalChristian.Faith

Ambrose of Milan on purgatory and prayer for the dead

Dates: c. 378 (On the Decease of His Brother Satyrus; Ambrose, c. 339–397) · Wikipedia
Summary: Ambrose, bishop of Milan, prays and offers the Eucharistic sacrifice for the dead by name — for his brother Satyrus (c. 378) and for the dead emperors Valentinian II and Theodosius (392, 395) — making him the foremost fourth-century Latin witness that the living aid the departed. He treats the practice as settled and unquestioned; the satisfactory "cleansing fire" of the later Latin doctrine is not yet in view, though he does hold that the saved pass through a purifying fire at the threshold of paradise.

Claims & evidence

His brother's funeral is itself an offering for the dead

When his brother Satyrus died (c. 378), Ambrose preached the funeral oration On the Decease of His Brother Satyrus. He opens by calling the very rite a sacrifice offered for the departed:

We have brought hither, dearest brethren, my sacrifice, a sacrifice undefiled, a sacrifice well pleasing to God, my lord and brother Satyrus.

and he closes the oration by commending his brother's soul to God and offering his own sacrifice for him:

And now to Thee, Almighty God, I commend this guileless soul, to Thee I offer my sacrifice; accept favourably and mercifully the gift of a brother, the offering of a priest.

— On the Decease of His Brother Satyrus (De excessu fratris Satyri) I.1, I.80, historicalchristian.faith (NPNF, Series II, Vol. X).¹

Over the imperial dead, the prayer the Western Requiem inherited

In On the Death of Valentinian (392), his eulogy for the young emperor Valentinian II, Ambrose calls the congregation to offer the Eucharist and pray rest for the dead emperor — the line traditionally taken as the seed of the requiem Introit of the Mass for the dead:

Date manibus sancta mysteria, pio requiem eius poscamus affectu. Date sacramenta coelestia, animam nepotis nostri oblationibus prosequamur.

"Give the holy mysteries to the dead, with devout affection let us beseech rest for him; give the heavenly sacraments, let us attend our [young emperor's] soul with our offerings." — De obitu Valentiniani consolatio 56, Wikisource (Latin). The opening words of the Latin Mass for the dead, "Requiem aeternam dona eis, Domine," are commonly traced to this very passage.²

Commemorating the dead on the set days

Ambrose preached the companion sermon On the Belief in the Resurrection (Satyrus, Book II) at the graveside on the seventh day after the burial, marking the days set apart for the dead — the standing custom of remembering the departed at the appointed commemorations:

now, inasmuch as on the seventh day, the symbol of the future rest, we return to the grave, it is profitable to turn our thoughts somewhat from my brother to a general exhortation addressed to all.

— On the Decease of His Brother Satyrus II.2, historicalchristian.faith (NPNF, Series II, Vol. X). Elsewhere Ambrose names the third and thirtieth, or the seventh and fortieth, as the days kept for the dead.³

A purifying fire at the threshold of paradise

Ambrose also holds the second, distinctively Latin strand in seed: that the saved must pass through a purifying fire before entering glory. Expounding the flaming sword set at the gate of Eden (Gen 3:24) and the psalm "we went through fire and through water" (Ps 66:12), he teaches that all who would return to paradise must be tried by fire: as water washes away sins, so the fire burns them up, yet the one who carries the fire of charity in this life need not dread the fire of the sword in the next. This is the purgative reading the Latin doctrine would later build out; in Ambrose it remains undeveloped and is set at the entrance to paradise rather than in a fixed intermediate place.⁴

Notes

• Ambrose's witness belongs to the practice strand of the timeline (prayer, alms, and the Eucharistic sacrifice for the dead), the older and stronger leg of the doctrine — see the argument Was prayer for the dead uncontested in the ancient Church? (sound).
• His purifying-fire passages feed the separate, weaker strand weighed at Is a purgatorial cleansing fire before judgment taught? (contested), alongside Cyprian, Gregory of Nyssa, and Augustine — though Ambrose, like them, does not yet make the fire satisfy for sin.
• Valentinian II died unbaptized (a catechumen); Ambrose nonetheless prays confidently for his rest and for that of the also-unbaptized Gratian, treating prayer for the dead as the Church's plain duty toward her own.

Sources