Verhun was born on November 18, 1890 in Harodok, Lviv Region. He held a Ph.D. in philosophy, and on October 30, 1927 he was ordained at St. George's cathedral in Lviv by Metropolitan Andrei Sheptyski. Later he would be moved to the Visator for Ukrainian Greek Catholics in all of Germany. Those who knew him in this position felt that he was a faithful leader who would be willing to sacrifice himself for his flock.
In June 1945, the Soviet security forces came to Verhum in Berlin and arrested him and then sent him to Siberia for 8 years of hard labor. Even here, though, while undergoing unbearable living conditions, he was able to gather the faithful.
On February 7, 1957 he died a martyr for the faith in the exile village of Angarskoie, in the Krasnoyarsk territory.
