Saint Joseph's and Saint Aidan's Church (Blue Island, Ill)
- 670.107
 - Corporate body
 - 1974-
 
Created as a merger of Saint Aidan's Church (Blue Island, Ill) and Saint Joseph's Church (Chicago, Ill) in 1974.
  
  
  
  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 John's Episcopal Church (Quincy, Ill)
Founded in 1837, Saint John's was a parish church until 1887, when it was dedicated as the Cathedral Church for the Diocese of Quincy. In 1962, Saint John's agreed to give up the Cathedral designation and returned to being a parish church. Then in 2013, when the Diocese of Quincy was closed, Saint John's Church decided to leave the Episcopal Church to join the Anglican Church of North America.
Saint John's Episcopal Church (Preemption, Ill)
Founded in 1869. In 2013, when the Diocese of Quincy closed, Saint John's Episcopal Church of Preemption, Illinois voted to leave the Episcopal Church and join the Anglican Church of North America.
Saint John's Episcopal Church (Naperville, Ill)
After irregular services in rented space from 1838-1850, Saint John's was formally established in 1850 with the construction of its own building. The church still exists.
Saint John's Episcopal Church (Mount Prospect, Ill)
Saint John's Episcopal Church (Knoxville, Ill)
Saint John's Episcopal Church (Kewanee, Ill)
Established in 1855, it was first part of the Diocese of Illinois. When the Diocese of Quincy was established in 1878, Saint John joined. When the Diocese of Quincy was ended in 2013, Saint John joined the Diocese of Chicago.
Saint John's Episcopal Church (Henry, Ill)
Established in 1884, the parish chose, in 2013, to jjoin the Anglican Church of North America (ACNA).
Saint John's Episcopal Church (Algonquin, Ill)
Organized February 24, 1844. Date of closure uncertain, probably about 1868.