New Horizons Genealogy

"Specializing in New England and New York Colonial American Ancestry"

Grundy County Illinois Genealogy and History

Founded: February 17, 1841

Named for: Felix Grundy

County Seat: Morris

Search Free Grundy County, Illinois Genealogy and Family History Records Online including census, cemetery, vital, military and other genealogical and historical records that can be used for your family history research.

Grundy County, Illinois genealogy and family history page is a place where you can come in and research your genealogy and family history. We also do our best to provide a history of the area, to provide you with an overview of the time in which your ancestors lived.

We regret that we are unable to do personal research for you. All genealogical and family history records we come across are being added to this website. Please keep checking back.


Grundy County was established on February 17, 1841. It was formed out of LaSalle County and named after U.S. Attorney General Felix Grundy (1777ľ1840). The county was well known for its coal mines and attracted miners from Pennsylvania and other regions to work its deposits.


City: Morris.

Villages: Braceville, Carbon Hill, Channahon (part), Coal City (part), Diamond (part), Dwight (part), East Brooklyn, Gardner, Godley (part), Kinsman, Mazon, Minooka (mostly), Seneca (part), South Wilmington, Verona.

Former Communities: Jugtown.

Townships: Aux Sable, Braceville, Erienna, Felix, Garfield, Goodfarm, Goose Lake, Greenfield, Highland, Maine, Mazon, Morris, Nettle Creek, Norman, Saratoga, Vienna, Wauponsee.

Unincorporated communities: Mazonia, Paytonville, Nettle Creek, Wauponsee.

Grundy County Genealogy Records

If you know of a Grundy County Genealogy link that should be added to this list, please Contact us

Adjacent Counties