Picture: John Haynes · CC BY-SA 2.0 · Wikimedia Commons

Rhidian

5-6th c. Welsh saint

SaintPre-congregation

Born

500

Died

—

unknown

Beatified

—

not needed: before formal processes

Canonised

By tradition

recognised before formal processes began

Who they were

Rhidian was a 6th-century Welsh Pre-congregational Saint who is often associated with St Illtyd.

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 Q13131020 — dates, feast day and identifiers (CC0)
English Wikipedia — Rhidian (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.