What Can Be Known

St. Patrick is known with certainty only from his own two short Latin works, the Confessio and the Epistola ad milites Corotici; everything else is later reception. This file states the secure minimum those two writings establish — and, with equal precision, the long list of things they do not contain, all of which the legends supply but the genuine sources nowhere attest.

Tradition: Pre-Schism Western (Celtic) / Orthodox reception

The companion flagship file, The Two Authentic Writings, inventories the sources as dated artifacts and sets out the dating problem and the “two Patricks” debate. That work is not repeated here. This file does the narrower and harder thing: it draws up the positive and negative inventory — what the Confessio and the Epistola let us know, and what they conspicuously withhold — so that the reader can see exactly where the secure ground ends and the legendary superstructure begins.

The Method in One Sentence

Anything asserted as fact about the historical Patrick is referred to the Confessio or the Epistola, cited by section; where they are silent, the silence is reported rather than filled from the seventh-century Lives. This is the rule the whole collection follows (see The Two Authentic Writings), and it is worth stating why the discipline bites so hard in Patrick’s case: the genuine Patrick is intensely articulate about his inner life and almost wordless about the externals — dates, places, names, public events — on which ordinary biography depends. The legends rush to fill precisely those gaps, which is why an honest account must mark them.

The Positive Inventory: What the Two Writings Establish

Origin and family. Patrick names himself in the first words of his Confessio: “My name is Patrick. I am a sinner, a simple country person (rusticissimus), and the least of all believers” (Confessio 1). He tells us he was a Briton; that his father was Calpornius, a deacon, and his grandfather Potitus, a priest; and that his home was a place called Bannavem Taburniae — a name that has never been securely located (Confessio 1). The clerical family is itself a datum: it places Patrick within an already-established British provincial church, not at its founding.

Capture and captivity. At “almost sixteen” Patrick was seized by raiders and carried into slavery in Ireland “with so many thousands of people” (Confessio 1) — a glimpse, in passing, of the scale of Irish slave-raiding on the British coast. In Ireland he herded flocks for six years; it was there, he says, that his faith was kindled, until he prayed “up to a hundred times” in a day and as many at night (Confessio 16). The captivity, not a missionary commission, is the origin of his vocation: he came to know the God of his fathers in the experience of bondage.

Escape. A voice in the night told him, “Your ship is ready,” and he fled, walking some two hundred miles to a coast he did not know, to a ship he had never seen (Confessio 17). The escape is narrated as providence, not adventure.

The call to return. Back in Britain among his kin, Patrick saw in a vision a man named Victoricus coming “as if from Ireland” with countless letters; reading one, headed “The Voice of the Irish,” he heard in the same moment the voice of those “by the wood of Foclut [Voclut], which is beside the western sea,” crying out as with one voice: “We beg you, holy boy, to come and walk again among us” (Confessio 23). This vision, and not any external summons we can document, is what Patrick offers as the reason he went back to the people who had enslaved him.

Faith. Embedded in the Confessio is a compact Trinitarian confession — “there is no other God, nor ever was, nor will be, than God the Father unbegotten…” (Confessio 4) — which shows Patrick’s theology to be orthodox, creedal, and continuous with the Latin West of his day. (His faith is treated fully under §6; see the section README.)

Office and work. The Epistola ad milites Corotici shows Patrick functioning as a working bishop in Ireland: he writes to excommunicate the soldiers of the British warlord Coroticus for slaughtering and enslaving his newly baptized Irish converts. The letter is the one place where we see Patrick exercising episcopal authority in real time, against the very slave-raiding system that had once taken him. (The letter is treated under §4; see the section README.)

That is, very nearly, the whole of the secure inventory. It is a portrait of a soul and a vocation, drawn from the inside, with almost no scaffolding of date or place.

The Negative Inventory: What the Genuine Sources Do Not Give

It is as important to state, with the same precision, what the two writings nowhere contain. None of the following can be drawn from the Confessio or the Epistola; each is supplied — if at all — only by later sources, and must be pinned to them.

No calendar dates. Neither work gives a year, a regnal date, or a fixed chronology for any event in Patrick’s life. He can be placed in the fifth century and no more precisely with confidence. The one externally datable fact in the whole dossier — Prosper of Aquitaine’s notice that Pope Celestine sent Palladius “to the Irish believing in Christ” as their first bishop in 431 — is about Palladius, a distinct person, not about Patrick (Prosper, Chronicle, s.a. 431; Charles-Edwards, Early Christian Ireland, 2000). Patrick and Palladius are not the same man, and the firm date is not Patrick’s.
No death-date. The two writings say nothing of his death. For that we have only the much later Irish annals, which give two years — 461 and 493 — some thirty years apart, which cannot both be right for one man. [Disputed: the death-year is reported under both 461 and 493 in the Irish annals (Annals of Ulster; analyzed in Dumville, Saint Patrick AD 493–1993, 1993); the early-vs-late floruit debate is laid out in the companion flagship file and is not adjudicated here.]
No named episcopal see. Patrick nowhere names the seat of his bishopric. The identification of his see with Armagh is a later claim, advanced by the seventh-century propagandists of that church — Muirchú (c. 680) and Tírechán (c. 690) — as part of Armagh’s bid for primacy over the Irish church, and transmitted in the Book of Armagh (c. 807). It is Armagh’s claim about Patrick, not Patrick’s claim about himself.
No names of kings. The Confessio mentions converts, including the sons and daughters of Irish chieftains, but names no king Patrick dealt with — neither a high king nor a local one. The famous confrontations with named royalty are entirely later.
No miracles. Neither writing reports a single miracle worked by Patrick. The Confessio is, if anything, anxious to disclaim any merit of his own and to ascribe everything to God’s grace. The thaumaturge of the Lives is a creation of the hagiographers.

And specifically, none of the episodes for which Patrick is popularly famous appears in his own writings. They first surface in the late-seventh-century Lives or later still:

The snakes driven from Ireland — a legend with no source in the genuine works; later, and treated under §5.
The shamrock used to teach the Trinity — not in Patrick, not even in the seventh-century Lives; it is a much later embellishment.
The Paschal fire at Tara and the contest with the druids — the centerpiece of Muirchú’s Vita (c. 680), composed roughly two centuries after Patrick, as cult-narrative, not record.
Croagh Patrick and the pilgrimage tradition — developed in the Vita Tripartita (the “Tripartite Life,” c. 900) and later.

The general principle, stated once and applied throughout the collection: where a familiar “fact” about Patrick is absent from the Confessio and the Epistola, it is reception, and it is reported with its earliest attestation — Muirchú (c. 680), Tírechán (c. 690), the Book of Armagh (c. 807), the Tripartite Life (c. 900) — never as event (see The Later Hagiography).

The Shape of the Secure Patrick

What survives this winnowing is not a thinner saint but a sharper one: a Romano-British Christian of clerical family, taken in his youth into Irish slavery, brought to deep faith in captivity, called back in a vision to evangelize his captors, and ministering among them as a bishop who set himself against the slave trade that had once swallowed him. Every word of that is his own. The dates, the see, the kings, the miracles, and the marvels belong to those who remembered and honored him afterward — and the discipline of this file is to keep that line bright.

References

Patrick. Confessio. Latin text and English translation at the Royal Irish Academy’s St Patrick’s Confessio hypertext archive (confessio.ie); cited by section. Critical edition: L. Bieler, Libri Epistolarum Sancti Patricii Episcopi (Dublin, 1952; repr. 1993).
Patrick. Epistola ad milites Corotici [Letter to the Soldiers of Coroticus]. Latin text and English translation at confessio.ie; cited by section.
Prosper of Aquitaine. Epitoma Chronicon, s.a. 431 (on Palladius). In MGH Auctores Antiquissimi 9.
O’Loughlin, Thomas. Saint Patrick: The Man and His Works. London: Triangle/SPCK, 1999.
Charles-Edwards, T. M. Early Christian Ireland. Cambridge: Cambridge University Press, 2000.
Dumville, David N., with Lesley Abrams et al. Saint Patrick, A.D. 493–1993. Studies in Celtic History 13. Woodbridge: Boydell Press, 1993.
Annals of Ulster, s.a. 461 and 493. (The doubled death-date.)