Pietro Casani
Italian priest (1570-1647)
Feast: 17 October (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
At Rome, Blessed Pietro of the Nativity of the Blessed Virgin Mary Casani, priest of the Order of Clerics Regular of the Pious Schools, who placed his gifts of nature and grace at the service of the education of children, happy only to serve God in the little ones.
The miracles
The Roman Martyrology does not describe the miracles approved in the cause.
Why that counted as sanctity
The Roman Martyrology remembers him on 17 October as a Piarist priest who gave his gifts to the education of children.
The cause
The cause continues. No postulation address is published here yet. Favours received through this person’s intercession, and offers of help, are best sent to the religious order or congregation they belonged to, or to the diocese where the cause was opened; either will pass them to the postulation.
Connected on this site
- Giovanni Leonardi Saint“Casani had assumed the religious name of "Pietro della Natività di Maria" upon his solemn profession and had once been part of the Congregazione della Beata Vergine Maria that Giovanni Leonardi founded.” — Wikipedia
- Roman Martyrology, 17 October (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q11817360 — dates, feast day and identifiers (CC0)
- English Wikipedia — Pietro Casani (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.