|Eparch of Przemyśl|
|Church||Ukrainian Greek Catholic Church|
|Appointed||29 January 1917|
|Term ended||17 November 1947|
|Ordination||9 October 1907 (Priest)|
|Consecration||23 September 1917 (Bishop)|
by Andrey Sheptytsky
|Born||3 March 1876|
Pakoszowka, Kingdom of Galicia and Lodomeria, Austria-Hungary
|Died||17 November 1947|
near Kiev, Ukrainian SSR
|Beatified||27 June 2001|
by Pope John Paul II
After graduating from the elementary folk school in Lesko he studied at the Sanok and Sambir gymnasia. From 1896 he studied at the law department of Lviv University. Soon he interrupted the studio and graduated from the school of artillery in Vienna, and of 1900 he was sent to serve in the Lviv garrison. After leaving the military service, and with the assistance of the Przemysl Bishop Kostyantyn Chekhovych, he began the philosophical and theological studies in Rome. He studied theology in Rome and graduated in 1907, later that year on 9 October he was ordained to the priesthood. Soon after, he was made vice-rector and professor of theology at the Greek-Catholic seminary in Stanislaviv.
On 2 October 1911 he entered the Order of Saint Basil the Great. On 23 September 1917 Kotsylovsky was ordained bishop in Przemyśl by Andrey Sheptytsky. As bishop, he worked to improve the church's educational system and supported monastic orders. He also took steps to combat the rising Russophile movement by appointing Ukrainian priests and funding Ukrainian language journals.
At the end of World War II, Communist Poland assisted the Soviet Union with the liquidation of the Ukrainian Greek Catholic Church. In September 1945 the Communist regime in Poland arrested Kotsylovsky, then released him and arrested him again in 1946. They then handed him over to the Soviet Union. He died on 17 November 1947 in a prison camp near Kiev.
The relics of the blessed of Josaphat Kotsylovsky are kept in the church of the Annunciation of the Blessed Virgin Mary in Stryi.
- Biographies of twenty five Greek-Catholic Servants of God at the website of the Vatican
- Paul R. Magocsi, Ivan Ivanovich Pop. Encyclopedia of Rusyn history and culture. University of Toronto Press, 2002. p 252
- 'Beatification of the Servants of God on June 27, 2001 Archived November 29, 2014, at the Wayback Machine at the website of the Ukrainian Greek Catholic Church
- Alan Butler, Paul Burns. Butler's lives of the saints. Continuum International Publishing Group, 2005. p78
- "Bishop Bl. Josaphat Joseph Kocylovskyj (Kotsylovsky), O.S.B.M." Catholic-Hierarchy.org. David M. Cheney. Retrieved 23 January 2015.
- Basilian Martyrs and Confessors. St. Nicholas Ukrainian Catholic Church, Winnipeg Canada.