Mother of God Church was formed in 1903 as a national parish. It originally served Slovenes, Croatians, Slovaks, and Bohemians. In 1906 a school was built. In 1978 the parish celebrated a Diamond Jubilee.
The Family History Library has filmed some sacramental records for Mother of God Church. The microfilms are available for rent through a local family history center. For information on the film which covers Mother of God Church click here.
*Note that you will need to check items 2-6 on that film in order to be looking at those for Mother of God Church. The filming covers baptisms and marriages, 1903-1916. For those who can't follow the link, the FHL microfilm number is #1571961.
The Lake County IL Genealogical Society has published a book on Mother of God Church, Deaths and Burials, 1903-1991. Infomration on ordering the book can be found here.