Named in favor of George Washington, the first United States President, Washington County was created in the year 1818 with an area of 563.91 sq mi. The county is situated in the southern portion frequently known as "Little Egypt" of the state of Illinois. It is a home to around 14.7K people with a rich mix of White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others along with more than 5.8K households and 4.2K families. Nashville forms the county seat.

A clean picture of the familial history, neat graphics and advanced technical features of the Washington County data index, assist the researchers and explorers to execute extensive data works regarding marriage and divorce details, real estate and property facts, obituary notice, burial and cemetery details, land and estate data, World War I and II information, demise facts, origin and birth details, marriage volume number, American Civil War history, census data, war and enlistment data, last will or probate specifics, immigration and naturalization specifics, civil court case lookups and the likes.