Justin de Jacobis
Italian Roman Catholic saint and bishop (1800–1860)
Feast: 31 July (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
Giustino de Jacobis was born at San Fele near Potenza on 9 October 1800; around 1812 the family moved to Naples. He joined the Vincentians in 1818 and was ordained in Brindisi cathedral on 18 June 1824.
Consecrated bishop on 8 January 1849, in the Alighede valley in Ethiopia he worked with gentleness and charity in the apostolate and the formation of local clergy, suffering hunger, thirst, trials and prison.
The miracles
The Dicastery's biography does not describe the miracles approved in the cause.
Why that counted as sanctity
A gentle missionary bishop who suffered much to build up a local Church in Ethiopia.
- Dicastery for the Causes of Saints - biography: Giustino de Jacobis
- Wikidata Q475636 — dates, feast day and identifiers (CC0)
- English Wikipedia — Giustino de Jacobis (CC BY-SA)
Checked against the sources listed on 21 September 2026. Corrections welcome.