The idea of Virgin Mary as Mediatrix of All Graces has been present in the Church for centuries. This title was understood in different ways and many efforts were made to defend this Virgin Mary’s privilege. At the turn of the 19th and 20th centuries the title appeared in the teaching of popes. It is not surprising that Saint Maximilian, the great worshiper of Our Lady the Immaculate also called Her Mediatrix of All Graces. Initially teaching the traditional science relating to that title and then creating a new way of proving that privilege.
Beginning the construction of the church, mentions St. Maximilian, that it is in honor of Mary Immaculate. Even after his death and after returning to the work on the basilica, interrupted by the Second World War, there was no mention of the title of Mediatrix of All Graces. On the basis of the archives, it can be concluded that only a few months before the consecration, probably thanks to the efforts of monastic father Vitalis Jaskiewicz, it was decided that the church would be called the Mediatrix of All Graces. In recent years the Apostolic See confirmed the rank of the ceremony in Niepokalanów on the 7 th of May and indicated that on that day the form of the Blessed Virgin Mary Mother and Mediatrix of all Graces should be used.