Marianna Biernacka
Polish martyr (1888–1943)
Feast: 12 June (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
In the small town of Naumowicze near Grodno in Poland, Blessed Marianna Biernacka, mother of a family and martyr, who, during the war, under the occupation, freely offered herself to the soldiers in place of her pregnant daughter-in-law and, shot on the spot, received the glorious palm of martyrdom.
The miracles
As a martyr she was raised to the altars without a miracle.
Why that counted as sanctity
The Roman Martyrology remembers her on 13 June as a mother who offered herself in place of her pregnant daughter-in-law and was shot.
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, 13 June (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q2509584 — dates, feast day and identifiers (CC0)
- English Wikipedia — Marianna Biernacka (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.