Roman Catholic Churches in Ontario

St. Mary's Church is a Catholic parish in Welland, Ontario, offering the sacraments, Mass, and spiritual formation in the tradition of the Roman Catholic Church. All are welcome to worship and grow in faith.

Holy Family Church is a Catholic parish located in Hanover, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

St. Cecilia’s Church is a Roman Catholic church serving the Ogdensburg, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.

St. Simon & St. Jude Catholic Church is a Catholic parish located in Grosse Pointe Farms, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

Saint James Catholic Church is a Roman Catholic church serving the Etobicoke, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.

Our Lady of Peace Catholic Church is a Catholic parish located in Niagara Falls, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

Holy Cross Catholic Church (also known as Santa Cruz Parish) is a bilingual English-Portuguese parish in east London. Part of the Fanshawe-Thames Catholic Family of Parishes in the Diocese of London.

Sacred Heart Parish is a Catholic parish located in Thessalon, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

Sacred Heart Church is a Catholic parish located in Kingston, Ontario, united in the Eucharist and the teachings of the Church. The community gathers for worship, prayer, and service to others.

St. Mary's is a Roman Catholic church serving the Carleton Place, Ontario community. The parish provides regular Mass, confession, religious education, and sacramental preparation for parishioners and visitors.