Date Founded: 1859
Church Location: 100 North St., Arenzville, Illinois
Notes: From 1859-1882 Mass was said in local homes. In 1882 a parishioner purchased a small home on the site where the church is located today. The house was used until the present church was built. It was dedicated on October 13, 1899.
Records Available in Diocesan Archives for Genealogy Research:
- Baptisms: 1867-1930
- Marriages: 1870-1930
- Deaths: none
- Notes: No records before 1867. St. Fidelis was a mission parish that was visited infrequently prior to 1867 - appears that no records were kept from this period.