Saint Mary's Cemetery is located in back of Maple Grove Cemetery, Edgerton.

The cemetery is located in Saint Joseph Township, Williams County, Ohio, and is # 12821 (Edgerton Catholic Cemetery / Saint Marys Cemetery) in “Ohio Cemeteries 1803-2003”, compiled by the Ohio Genealogical Society.
The cemetery is registered with the Ohio Division of Real Estate and Professional Licensing (ODRE) as St. Mary’s Catholic Cemetery with registration license number CBR.0000981960.