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Justyna z Moguncji
SaintFull write-upPre-congregation
Feast: 16 June (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
451
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Mainz in Belgic Gaul, now in Germany, Saints Aureus, bishop, Justina, his sister, and companions, martyrs, who tradition says were slaughtered by the pagan Huns while they were celebrating the Eucharist.
The miracles
There was never a formal cause: she has been honoured as a saint since before the Church's formal processes began.
Why that counted as sanctity
The Roman Martyrology remembers her on 16 June as the sister of Bishop Aureus of Mainz, who tradition says was killed with him by the Huns during the Eucharist.
Sources
- Roman Martyrology, 16 June (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q11729724 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.