St. Michael's Cathedral Basilica is the cathedral church of the Roman Catholic Archdiocese of Toronto, Canada, and one of the oldest churches in Toronto. St. Michael's Cathedral Basilica was founded in 1826. The Cathedral is the leading church in Canada's most prominent English-speaking diocese. The Minor Basilica is a designation granted to some Roman Catholic churches. According to canon law, no church building may present basilica the title unless the Assemblage for Divine Worship and the Sacraments' Regulation has issued an apostolic grant. St. Michael's Cathedral Basilica Bishop's Palace remains in use as the Cathedral Rectory. The church is recognized as the oldest building in the City of Toronto, still in use for its original purpose. The name indicates the Cathedral's supremacy over the different churches.

The Cathedral Church of St. James is an Anglican cathedral in Downtown Toronto, Ontario, Canada. It is the location of the oldest congregation in the city, with the parish established in 1797. St. James Cathedral is a parish church ministering to the historic St. Lawrence neighbourhood and the Cathedral of the Anglican Diocese of Toronto. The Cathedral was built-in 1850 and opened for service on June 19, 1853. The church is also one of the most significant buildings in the city. The Cathedral Church of St. James provides comfort, healing, hope, and opportunities to learn to create a community in a troubled world. The church is also a parish church serving the historic St. Lawrence area and the Anglican Diocese of Toronto Cathedral. The Cathedral Church of St. James is a beautiful example of Gothic Revival architecture. They allow a wide variety of resources for people to deepen their understanding of the Christian religion and life.

St. Patrick's Roman Catholic Church on McCaul Street in Toronto is the Church of the city's fifth oldest Roman Catholic parish. The German-speaking Catholic community in Toronto holds services in the Church as well. The Church offers seminarians and permanent diaconate applicants guidance on the canonical and civil conditions associated with developing a secure environment. St. Patrick's Church became a centre for many ministries such as Germans and other immigrants, parish missions and retreats, confessions of religion, hospital chaplaincies, and devotion to the mother of perpetual help. St. Patrick's Church is operated by the Redemptorists of the Province of Edmonton-Toronto and is the National Shrine of 'Our Lady of Perpetual Help. The Church provides workshops for committee members, visits to parishes, responses to questions, and supplies of information and materials.