A year later he enrolled in the Major Roman Catholic Theological Seminary in Lviv. In 1887 he became a priest and, after the death of Archbishop Izaak Mikołaj Isakowicz of Lviv, in 1901 was named to succeed him.
A year after that, he enrolled in the Major Roman Catholic Theological Seminary in Lviv. In 1887, he became a priest and, following the death of Archbishop Izaak Mikołaj Isakowicz of Lviv in 1901, he was selected to replace him.