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Metrophanes of Byzantium
Bishop of Byzantium from 306 to 314
SaintFull write-upPre-congregation
Feast: 4 June (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
300
Died
326
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Constantinople, Saint Metrophanes, bishop of Byzantium, who consecrated the New Rome to the Lord.
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 4 June as the bishop of Byzantium who consecrated the New Rome to the Lord.
Connected on this site
- Alexander of Constantinople Saint“According to Gelasius of Cyzicus, Metrophanes was alive during the First Council of Nicaea (325), but could not partake due to his age and ill health, so he sent instead Alexander of Constantinople, whom he destined as his successor.” — Wikipedia
- Constantine the Great Saint“There is a tradition that the Roman emperor Constantine the Great bestowed upon him the honorary title of Patriarch; however, Byzantium did not become the capital of the Empire until 330 (when it was renamed Constantinople), and the see was not elevated to a patriarchate until 451.” — Wikipedia
Sources
- Roman Martyrology, 4 June (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q1277399 — dates, feast day and identifiers (CC0)
- English Wikipedia — Metrophanes of Byzantium (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.