Jean-Baptiste Duverneuil
French priest
Feast: 1 July (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
In the stretch of sea off Rochefort on the French coast, Blesseds Jean-Baptiste Duverneuil, of the Order of Discalced Carmelites, and Pierre-Aredius Labrouhe de Laborderie, canon of Clermont-Ferrand, priests and martyrs, who during the French Revolution, held together on a prison ship because of their priesthood, died wasted by disease.
The miracles
As a martyr he was raised to the altars without a miracle.
Why that counted as sanctity
The Roman Martyrology remembers him on 1 July as a Discalced Carmelite priest who died of disease on a prison ship off Rochefort during the French Revolution.
The cause
Jean-Baptiste Duverneuil has been beatified; the cause continues. Favours received, and offers of help, go to the postulation, the office that carries the cause forward: Carmelites in France: the blessed martyrs of the Rochefort prison ships.
Connected on this site
- Pierre-Arède Labrouhe de Laborderie Blessed“In the stretch of sea off Rochefort on the French coast, Blesseds Jean-Baptiste Duverneuil, of the Order of Discalced Carmelites, and Pierre-Arède Labrouhe de Laborderie, canon of Clermont-Ferrand, priests and martyrs, who during the French Revolution, held together on a prison ship because of their priesthood,…” — this site's research
- Roman Martyrology, 1 July (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3164061 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.