He studied theology and philosophy in Krakow, Linz, and Vienna, and there in the cathedral of St. Stephen, on July 16, 1916, he was ordained.
Mazurek was a professor and rector of the Carmelite seminary and director of the tertiaries at the monastery in Wadowice.
He also left in elaborate hymns in manuscript form (he is the author of Tam in the Silence of the Blue Forests).
Separated from the friars and residents of Czerna, who had been forced to work on the town's fortifications, Mazurek died on August 28, 1944, shot by an SS soldier.
He was beatified by John Paul II on June 13, 1999 along with a group of other Polish martyrs of the Second World War.