- Our Lady of Victory Fort Erie
- St. George Fort Erie
- St. Joseph Fort Erie
- St. Philomena Fort Erie
- Our Lady of Fatima Grimsby
- St. Joseph Grimsby
- St. Edward Lincoln & W. Lincoln
- St. John Lincoln & W. Lincoln
- St. Mark Lincoln & W. Lincoln
- St. Martin Lincoln & W. Lincoln
- Father Hennepin Niagara Falls
- Loretto Catholic Niagara Falls
- Mary Ward Niagara Falls
- Notre Dame Niagara Falls
- Our Lady of Mount Carmel Niagara Falls
- Sacred Heart Niagara Falls
- St. Gabriel Lalemant Niagara Falls
- St. John Henry Newman Niagara Falls
- St. Mary Niagara Falls
- St. Patrick Niagara Falls
- St. Vincent de Paul Niagara Falls
- St. Michael Niagara-On-The-Lake
- St. Alexander Pelham
- St. Ann Pelham
- St. John Bosco Port Colborne
- St. Thérèse Port Colborne
- St. Patrick Port Colborne
- Assumption St. Catharines
- Canadian Martyrs St. Catharines
- Our Lady of Fatima St. Catharines
- St. Alfred St. Catharines
- St. Ann St. Catharines
- St. Anthony St. Catharines
- St. Christopher St. Catharines
- St. Denis St. Catharines
- St. James St. Catharines
- St. Nicholas St. Catharines
- St. Peter St. Catharines
- St. Teresa of Calcutta St. Catharines
- St. Theresa St. Catharines
- Our Lady of the Holy Rosary Thorold
- St. Elizabeth Wainfleet
- Alexander Kuska Welland
- Holy Name Welland
- St. Andrew Welland
- St. Augustine Welland
- St. Kevin Welland
- St. Mary Welland