List of churches in the Diocese of Hamilton, Ontario

This is a list of current and former Catholic churches in the Diocese of Hamilton, Ontario. The diocese includes 118 parishes in Southwestern Ontario divided into six administrative regions called deaneries. The cathedral church of the diocese is Cathedral Basilica of Christ the King in Hamilton, Ontario.

Brant Deanery

NameImagesLocationEstablished Description/notesOur Lady of the Assumption Brantford1895Current church built in 1953.St. Basil Brantford1840Current building construction began in 1866 and completed in 1875. The interior was finished in 1891.St. Joseph (Polish) Brantford1938Church building used to be St. Andrew's Presbyterian Church. The diocese bought the church in 1938 and established St. Joseph Polish church. After renovations, the church was dedicated February 27, 1938 by Bishop Joseph Francis Ryan.St. Pius X Brantford1958Church constructed in 1958.Blessed Sacrament Burford1954Sacred Heart Paris1857St. Anthony Daniel Scotland1950

Bruce Grey Deanery NameImagesLocation Established Description/notesSt. Mary Cape Croker1902St. JosephCargillMission of Mary Immaculate, ChepstowSt. Francis XavierCarlsruheMission of Holy Family, HanoverSt. Stanislaus ChatsworthMission of St. Mary of the Assumption, Owen Sound, OntarioMary Immaculate Chepstow1874Church designed by Arthur W. Holmes, completed in 1903. St. Ann ChesleyMission of Holy Family, HanoverSt. Paul DornochMission of St. Peter, Durham. Church designed by Joseph Connolly, construction completed in 1890.St. John the Evangelist Dundalk1894St. Peter Durham1921Immaculate Conception Formosa1861Church designed by Joseph Connolly, construction completed in 1883.St. John GlenelgMission of St. Peter, DurhamHoly Family Hanover1921St. Mary of the Rosary HepworthMission of St. Mary of the Assumption, Owen Sound, OntarioSt. Anthony Kincardine1940St. Mark Lion’s HeadMission of St. Mary of the Assumption, Owen Sound, OntarioSt. Joseph MarkdaleMission of St. Peter, DurhamSt. Vincent MeafordMission of St. Mary of the Assumption, Owen Sound, OntarioSacred Heart Mildmay1895Church designed by Arthur W. Holmes, construction completed in 1911.St. Mary Owen Sound1854St. Joseph Port Elgin1962Holy Family Sauble BeachMission of St. Mary of the Assumption, Owen Sound, OntarioShelburne Mission ShelburneMission of St. John the Evangelist, Dundalk, Ontario. Worships at Trinity United Church in Shelburne.St. PatrickSouth ProtonMission of St. John the Evangelist, Dundalk, Ontario.St. Patrick SouthamptonMission of St. Joseph, Port ElginSacred Heart TeeswaterMission of Immaculate Conception, FormosaSt. Thomas the Apostle TobermoryMission of St. Mary of the Assumption, Owen Sound, OntarioSacred Heart Walkerton1872St. Thomas Aquinas WiartonMission of St. Mary of the Assumption, Owen Sound, Ontario

Halton Deanery NameImagesLocationEstablished Description/notesSt. Joseph Patron of Canada Acton1858Holy Rosary Burlington1947St. Gabriel Burlington1962St. John the Baptist Burlington1849St. Patrick Burlington1969St. Paul the Apostle Burlington1985Saint-Philippe (French) Burlington1968St. Raphael Burlington1958Holy Cross Georgetown1956Sacré-Coeur (French) Georgetown1966Designed by Joseph Connolly and was built in 1885. Formerly Holy Cross Church until 1965, it was rededicated to L'Église Sacré-Coeur to serve the French community.Holy Rosary Milton1936St. Benedict Milton2012Parish was established in 2012 with then Fr. Daniel Miehm as founding pastor. The church was designed to with a capacity of 900 and also to be carbon-neutral with the potential of being carbon-positive. The church was dedicated by Bishop Douglas Crosby on November 28, 2021.Queen of Peace (Croatian)NorvalHoly Trinity (Croatian) Oakville1976The church was dedicated by Bishop Juraj Jezerinac on November 17, 1991. Jezerinac served as pastor of Holy Trinity from 1988 to his appointment of auxiliary bishop of the Archdiocese of Zagreb.Mary Mother of God Oakville1996St. Andrew Oakville1845St. Anthony (Polish) OakvilleSt. Dominic Oakville1955Church dedicated by Bishop Joseph Ryan on February 26, 1962.St. James Oakville1961Church dedicated by Bishop Joseph Ryan on April 12, 1964. It was the first church in Canada to have the altar face the congreation.St. Joseph (Portuguese) OakvilleSt. Matthew Oakville1988Church dedicated June 23, 1993 by Bishop Anthony Tonnos.St. Michael Oakville1975

Hamilton Deanery NameImagesLocation Established Description/notesSt. AnnAncaster1951The church was designed in a Spanish mission style, similar to St. Peter's Church in New Westminster, British Columbia. It was completed in 1958.St. Augustine Dundas1826Our Lady of Mount CarmelFreelton 1877Cathedral Basilica of Christ the KingHamilton1933All SoulsHamilton1922Annunciation of Our Lord Hamilton1978Church dedicated by Bishop Paul Reding on May 10, 1981.Canadian Martyrs Hamilton1955Holy Cross (Croatian)Hamilton1958Incarnation of Our Blessed Lord Hamilton1973Most Blessed Sacrament Hamilton1955Notre Dame du Perpetuel Secours (French) Hamilton1951Our Lady of Mercy (Lithuanian) Hamilton1948Our Lady of Vietnam (Vietnamese)Hamilton1998Regina Mundi Hamilton1959Sacred HeartHamilton1921St. Ann Hamilton1906St. Anthony of Padua (Italian)Hamilton1912St. Catherine of SienaHamilton2017Parish established in 2017 as a merger between Corpus Christi and Our Lady of Lourdes Parishes. The church building was dedicated in October 2023.St. Charles GarnierHamilton1961St. Eugene Hamilton1950St. Gregory the Great (Slovenian)Hamilton1965St. John the BaptistHamilton1930St. JosephHamilton1894St. LawrenceHamilton1890St. LukeHamilton1975St. Margaret MaryHamilton1966St. Mary - Paroquia de Santa Maria (Portuguese) Hamilton1836St. PatrickHamilton1877St. Peter YuHamilton1994St. Stanislaus (Polish)Hamilton1912St. Stephen of HungaryHamilton1944Sts. Peter and PaulHamilton1944Immaculate Heart Stoney Creek1952Our Lady of the AssumptionStoney Creek1951St. Francis Xavier Stoney Creek1947St. Thomas Waterdown1950The current church was dedicated by Bishop Anthony Tonnos in 2005 and replaces the original church built in 1914. The current church seats 1,000.

Waterloo Deanery NameImagesLocationEstablished Description/notesSt. Brigid AyrMission of Blessed Sacrament, Kitchener Our Lady of Fatima (Portuguese) Cambridge1964Saints-Martyrs-Canadiens (French) /Church of the Canadian Martyr Saints Cambridge1976St. Ambrose Cambridge1955Parish established to the small size of St. Patrick's Church.The church building was dedicated June 3, 1956.St. Clement Cambridge1905Church designed by Arthur W. Holmes, construction completed in 1911.St. Gregory Cambridge1967St. Mary of the Visitation Cambridge1857Current church was a former Presbyterian Church, purchased in 1916, after the existing church burnt down.St. Patrick Cambridge1877St. Teresa of Avila Elmira1888Current church opened in June 1992 with a capacity of 500. Timothy Schmalz carved the statues and stations of the cross in the church.Blessed Sacrament Kitchener1977Church designed by Snyder, Reichard and March. The church dedicated by Bishop Paul Reding on the feast of Corpus Christi, June 21, 1981.Holy Family (Croatian) Kitchener1978Church designed by Horton and Ball, Walter, Fedy, McCargar, Hachborn and opened in 1980.Our Lady of Fatima (Portuguese) Kitchener1988Church designed by Jenkins-Wright and built in 1956 as an Anglican Church and closed in 1987. The church was bought by the Diocese in 1988.Our Lady of Guadalupe (Spanish) Kitchener2009Worships at St. John's Church in Kitchener.Sacred Heart (Polish) Kitchener1912Church designed by Arthur W. Holmes, construction completed in 1918.St. Aloysius Kitchener1953St. AnneKitchener1948Church designed by Barrett-Reider. The cornerstone was laid June 1950, the first Mass celebrated on Christmas Eve, 1950, and dedicated by Bishop Joseph Ryan on April 22, 1951.St. Anthony Daniel Kitchener1966Parish established in 1966. The church's groundbreaking was on October 27, 1968, and the church was dedicated by Bishop Joseph Ryan on September 7, 1969. The parish was originally called St. Daniel but was renamed to St. Anthony Daniel.St. Francis of Assisi Kitchener1959St. John Kitchener1937The church was designed by B.A. Jones, and the cornerstone of the church was laid on August 15, 1937, and the church was dedicated by Bishop Joseph Ryan n February 20, 1938 although it was unfinished. St. Mark Kitchener1988St. Mary Our Lady of the Seven Sorrows Kitchener1857Church designed by Arthur W. Holmes, construction completed in 1903.St. Paul Chung (Korean) Kitchener2009Worships at St. Anthony Daniel Church in Kitchener.St. Teresa Kitchener1955Church designed by Barrett-Reider and opened in 1957.St. Mary Queen of Heaven LinwoodMission of St. Clement, St. Clements.St. Joseph MactonMission of St. Clement, St. Clements. Church designed by Joseph Connolly, construction completed in 1879.St. Boniface Maryhill1847Holy Family New Hamburg1859St. Agatha St. Agatha1834Church designed by Arthur W. Holmes, construction completed between 1898-1900.St. Clement St. Clements1847Construction completed in 1858.Our Lady of Lourdes Waterloo1952Church designed by Frank Brucher and opened in 1956.St. Agnes Waterloo1967Construction completed in 1969.St. Louis Waterloo1890The cornerstone was laid the 3rd Sunday of June in 1890. The church was dedicated by Bishop Thomas Dowling on January 6th, 1891. In 1915, the church was expanded to a capacity of 700.St. Michael Waterloo1962

Wellington Deanery NameImagesLocationEstablished Description/notesSt. John the EvangelistArthur1857Church designed by Joseph Connolly, construction completed in 1874.St. PeterAytonMission of St. Mary of the Purification, Mount Forest. Church designed by Joseph Connolly, construction completed in 1874.St. Martin of Tours Drayton1894St. Mary ImmaculateElora1870St. John de Brebeuf Erin1959St. Joseph Fergus1978The church building was dedicated on September 11, 2011 by Bishop Douglas Crosby and seats 515 people.Holy RosaryGuelph1956Basilica of Our Lady ImmaculateGuelph1827Basilica designed by Joseph Connolly, construction completed in 1888.Sacred Heart Guelph1930St. John the Baptist Guelph1966St. Joseph Guelph1952St. ThomasHarristonMission of St. Mary of the Purification, Mount ForestSacred Heart KenilworthMission of St. John the Evangelist, ArthurSt. Mary of the Purification Mount Forest1856The first Roman Catholic church was a simple log church constructed in 1858, but it burnt to the ground the day before its consecration. The current Roman Catholic church, Saint Mary's, was constructed in 1864. Its first priest was Father P.S. Mahuet, and it was consecrated by the Bishop of Hamilton, the Most Reverend Doctor Farrell. The rectory was built in 1880 and was converted into a convent housing the Sisters of Saint Joseph, though it was demolished in 2002 to create enough space for their new parish facilities.St. Peter OusticMission of St. John de Brebeuf Parish, Erin, Ontario.St. Mary PalmerstonMission of St. John the Evangelist, Arthur.Sacred Heart Rockwood1936

Former Churches NameImagesLocation Description/notesSt. TeresaElmiraThe church replaced a church in North Woolwich, and was built in 1889. It was replaced by the current church in 1992.Corpus ChristiHamiltonParish established in 1962, merged with Our Lady of Lourdes Parish in 2017 to create St. Catherine of Siena Parish. The church building was closed in October 2023.Our Lady of LourdesHamiltonParish established in 1958, merged with Our Lady of Lourdes Parish in 2017 to create St. Catherine of Siena Parish. The church building was closed in October 2023.St. Joseph KitchenerThe parish was established in 1930, and worshiped in a basement church until 1953, when the upper church was completed.The parish was suppressed on June 25, 2025 due to declining attendance, financial support along with costly capital expenditures.St. PatrickMelancthonFormer mission church of St. John the Evangelist, Dundalk, Ontario. Church closed in 2017 due to low attendance and costly repairs.

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