Maria Stella Mardosewicz
Sister of the Holy Family of Nazareth, martyr in Poland
Who they were
A professed sister of the Congregation of the Sisters of the Holy Family of Nazareth, in religion Maria Stella of the Blessed Sacrament and in the world Adelaida, born on 14 December 1888 at Ciasnówka in the archdiocese of Vilnius. She and ten companions of the Nowogródek community were shot by enemies of religion in the forest near the town in 1943. She was beatified on 5 March 2000 by John Paul II.
The miracles
As a martyr she was raised to the altars without a miracle.
Why that counted as sanctity
The Roman Martyrology names her among the eleven Sisters of Nazareth shot near Nowogródek.
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, 1 August (Italian Bishops' Conference, Santo del giorno)
- Acta Apostolicae Sedis 92 (2000) - beatification letter
Checked against the sources listed on 22 September 2026. Corrections welcome.