The article examines the Catholic answer to such modern challenges such as industrialisation, urban sprawl, the accelerated growth of the working class and migrations in the territory of the Austro-Hungarian monarchy at the end of 19th and beginning of 20th century. From the perspective of Social Catholicism, which is understood primarily as a collective social practice present in society in various forms, the article contributes to the debate around the secularisation thesis and the role of religion in modern society.