Picture: zeitgenössischer Maler · Public domain · Wikimedia Commons
Cyriacus
Christian martyr
SaintFull write-upPre-congregation
Feast: 8 August (1962 Missal, commemoration) · not on the current Roman calendar
Born
300
Died
303
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Rome, at the seventh mile of the Via Ostiensis, Saints Cyriacus, Largus, Crescentian, Memmia, Juliana and Smaragdus, martyrs.
The miracles
There was never a formal cause: he has been honoured as a saint since before the Church's formal processes began.
Why that counted as sanctity
The Roman Martyrology remembers him on 8 August as one of the martyrs at the seventh mile of the Via Ostiensis in Rome.
Sources
- Roman Martyrology, 8 August (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q508214 — dates, feast day and identifiers (CC0)
- English Wikipedia — Cyriacus (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.