Significant periods in the Church’s history in Australia By Madeleinepakes 1788 La Perouse enters Botany Bay and his chaplain, Abbe Mones, celebrates the first Mass within Australian territory 1791 First Irish convicts transported to Botany Bay 1803 First official public mass 1819 Father John Therry and Father Phillip Connoly arrive in Sydney as Australia’s first-ever priests 1825 Father Therry was removed from his role of colony official Chaplin 1826 Father Daniel Power lands in Sydney to replace Father Therry 1830 Father Power dies 1832 Father John Mcecroe appointed official Chaplin of Australia 1833 St. Mary Chapel completed 1845 Father John Brady consecrated as bishop of Perth moves from Winsdor to Western Australia 1851 St Mary's Cathedral was renovated, and Archidoeses now has 33 parishes, 30 churches and 35 priests. 1859 Father James Quinn became the first bishop of Brisbane 1862 The NSW government passed bill to abolish state aid to religion 1865 Fire destroys St Marys's Cathedral 1866 Mary MacKillop is recommunicated into the church and the sisters permitted to continue their work