Church of Saint Columba (Hanover Park, Ill)
Saint James Mission (Coal City Ill)
Existed as a mission in 1883 per the diocesan annual journal but then disappeared from the record.
Saint Joseph's and Saint Aidan's Church (Blue Island, Ill)
Created as a merger of Saint Aidan's Church (Blue Island, Ill) and Saint Joseph's Church (Chicago, Ill) in 1974.
Saint Mark's Episcopal Church (Geneva, Ill)
Established as a mission in 1855, the church building was completed in 1868. It took 30 years to pay off the loan for construction of the building, with the consecration taking place in 1898. In 1930, it became a parish of the Diocese of Chicago.
Saint Mark's Episcopal Church (Evanston, Ill)
Saint Mark's Episcopal Church (Glen Ellyn, Ill)
Saint Paul's Episcopal Church (Chicago, Ill)
Saint Paul's burned down in 1956 and was rebult on the same location. In 1969, The Church of the Redeemer merged with St. Paul's to become Saint Paul's and the Redeemer.
Saint Simon's Episcopal Church (Chicago, Ill)
Saint Simon's started as a mission outgrowth of St. Peter's Church. Located continuously at Leland and Racine once the church building was built in 1905. Became a 'parish' in 1910; reverted to mission status in 1930. Closed in 1937.
Saint Stephen's Episcopal Church (Avondale)
Trinity Episcopal Church (Aurora, Ill)
Trinity started in 1849 and became a parish in 1850. The Church building was completed in 1871. Trinity is the oldest, continuously operating Church in Aurora and is the oldest church in Aurora that is still occupied by the original congregation.