Mary Catherine of St. Augustine
French nun and nurse of New France (1632-1668)
Feast: 8 May (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
In Quebec in Canada, Blessed Mary Catherine of Saint Augustine (Catherine) Symon de Longprey, virgin, of the Hospital Sisters of Mercy of the Order of Saint Augustine, who, devoted to caring for the sick, stood out in giving them hope and consolation.
The miracles
The Roman Martyrology does not describe the miracles approved in the cause.
Why that counted as sanctity
The Roman Martyrology remembers her on 8 May as an Augustinian hospital sister in Quebec who brought hope and consolation to the sick.
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.
- Roman Martyrology, 8 May (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q169541 — dates, feast day and identifiers (CC0)
- English Wikipedia — Catherine of St. Augustine (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.