In the beginning of the 20th century, the Polish population in the Back of the Yards increased so greatly that two other Polish parishes were formed from St. Joseph's parish—St. John of God, in 1906, and Sacred Heart, in 1910. Like most of the Poles who settled in Chicago's Southwest Side, many of the first parishioners of St. Joseph's were Gorals, or Polish Highlanders, from the Carpathian Mountains.
At the start of the 20th century, the Polish population in the Back of the Yards grew significantly enough that two other Polish parishes were established from St. Joseph's parish—St. John of God, in 1906, and Sacred Heart, in 1910. Like most Poles who settled on Chicago's Southwest Side, many of the first parishioners of St. Joseph's were Gorals, or Polish Highlanders, from the Carpathian Mountains.