This collection contains both administrative and membership records for the First Congregational Church in Argo, Illinois. The records include marriage records, baptismal records, membership records, remembrances, building records, an account book, a year book from the Women’s Association, a church constitution, and a document declaring the formation of the church.

This collection contains a single volume containing church records. The register includes membership information, lists of baptisms, marriages, and deaths. The register also includes meeting minutes, including minutes of annual meetings.