Son of teachers. Studied philosophy and theology at Peter Pazmany University of Budapest, Hungary. Ordained on 29 June 1934, and assigned to the Saint Therese of Lisieux parish in Oradea (in modern Romania). Taught in Satu Mare and the seminary in Oradea. Bishop of Satu Mare, Romania on 14 February 1949; due to the Communist persecution of the Church, he was consecrated clandestinely. Arrested on 5 April 1949 for treason and other charges, all a result of his being a leader of the Church. Following a show trial, he was sentenced to 12 years foced labour in a lead mine. After transfer to several prison camps, where he was noted to ministering to other prisoners, abused, tortured and neglected, he finally died in the prison in Nagyenyed, Romania. Martyr.
- 30 October 2010 by Pope Benedict XVI
- beatification recognition presided over by Cardinal Peter Erdo, Archbishop of Esztergom-Budapest, Hungary
Witnesses affirm that, despite the inhuman situation of prison, Bishop Bogdanffy was never lacking in his very generous acts of charity to the other prisoners. – Cardinal Angelo Amato, prefect of the Congregation for the Causes of Saints
Let us thank God for this heroic pastor of the Church who followed the Lamb to the very end! May his witness bring comfort to those who even today are persecuted for the sake of the Gospel. – Pope Benedict XVI
- “Blessed Szilárd István Bogdánffy“. CatholicSaints.Info. 3 October 2016. Web. 4 December 2016. <>