Picture: Workshop of Lucas Cranach the Younger · Public domain · Wikimedia Commons

Isabella Jagiellon

Queen Consort of Hungary

SaintHungaryPre-congregation

Born

1519

Died

1559

Beatified

—

not needed: before formal processes

Canonised

By tradition

recognised before formal processes began

Who they were

Isabella Jagiellon (Hungarian: Izabella királyné; Polish: Izabela Jagiellonka; Lithuanian: Izabelė Jogailaitė; 18 January 1519 – 15 September 1559) was a princess of the Kingdom of Poland and of the Grand Duchy of Lithuania, and later also the Queen consort of Hungary. She was the oldest child of Sigismund I the Old, King of Poland and Grand Duke of Lithuania, and his Italian wife Bona Sforza.

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 Q235591 — dates, feast day and identifiers (CC0)
English Wikipedia — Isabella Jagiellon (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.