All Hallows' School Buildings on the site. All Hallows Convent and School was listed on the Queensland Heritage Register on 21 October 1992 having satisfied the following criteria. The place is important in demonstrating the evolution or pattern of Queensland's history. All Hallows' Convent was the first permanent home of the Sisters of Mercy in Queensland and has remained a focal point for their activities until the present day. From All Hallows' the Sisters of Mercy have established convents over the State from where their educational and social programmes are implemented. All Hallows' provides evidence of the development of the order in Queensland. All
All Saints' Day the past, did not celebrate All Hallows Day on this 1 November date, as extant historical documents attest that the celebration in Ireland took place in the spring: "... the "Felire" of Oengus and the "Martyrology of Tallaght" prove that the early medieval churches [in Ireland] celebrated the feast of All Saints on 20 April." A November festival of all the saints was already widely celebrated on 1 November in the days of Charlemagne. It was made a day of obligation throughout the Frankish empire in 835, by a decree of Louis the Pious, issued "at the instance of Pope