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Maternus

Bishop of Milan

SaintAncient RomePre-congregation

Feast: 18 July (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)

Born

300

Died

328

Beatified

—

not needed: before formal processes

Canonised

By tradition

recognised before formal processes began

Who they were

Maternus (Italian: Materno, Born c. 3rd century AD - died 18 July 328 AD) was Archbishop of Milan from c. 316 to c. 328. He is honoured as a Saint in the Catholic Church and his feast day is on July 18.

Summary from Wikipedia (CC BY-SA 4.0), until this page is written up in full.

The miracles

Limited information available on this saint.

Why that counted as sanctity

Limited information available on this saint.

Sources

Wikidata Q2270111 — dates, feast day and identifiers (CC0)
English Wikipedia — Maternus (bishop of Milan) (CC BY-SA)

Not yet written up in full: no Church source with an account of this person has been found yet. The name, dates and step come from Wikidata and are not yet checked against Church records.