.jpg){kind=link}
Antoni Leszczewicz
Polish catholic priest (1890–1943)
Feast: 17 February (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
At Rosica in Poland, Blessed Antoni Leszczewicz, priest of the Congregation of Marian Clerics and martyr, who, during the military occupation of that land in time of war, was burned by the persecutors of the Church for his faith in Christ.
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 17 February as a Marian priest and martyr burned for his faith at Rosica during wartime occupation.
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
- Wincenty Kluczyński Saint“He was ordained a priest on 13 April 1914, either by Wincenty Kluczyński or by Jan Cieplak.” — Wikipedia
- Jan Cieplak Servant of God“He was ordained a priest on 13 April 1914, either by Wincenty Kluczyński or by Jan Cieplak.” — Wikipedia
- Roman Martyrology, 17 February (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q2042435 — dates, feast day and identifiers (CC0)
- English Wikipedia — Antoni Leszczewicz (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.