- Baptist
- 1949, November 5 - Warder Street Church Damaged
- First Baptist Church
- Second Baptist Church
- Third Baptist Church
- Warder Street Baptist Church, Marion, Illinois
- Catholic
- 1899, Catholic Church Hit by Lightning
- 1927, St. Joseph’s Mission Church to Lay Corner Stone
- 1927, Start Work on Catholic Church
- 1963, December 14 - St. Joseph's Catholic Church Damaged
- St. Joseph Catholic Church, Marion, Illinois
- Methodist
- 1951, June 25 - Morrison Oil Co on N. Van Buren Totally Destroyed
- Aldersgate United Methodist Church
- First United Methodist Church
- Non-Denom
- 1923, First Christian Church Gets Klan Visit
- 1927, April 12 - Christian Church on N. Market Badly Damaged
- First Christian Church (Disciples of Christ)
- Historic Architecture of Marion
- Zion United Church of Christ
- Presbyterian
Marion Illinois History Preservation
Saving Marion's History Today for Tomorrow
