Union County, established in 1850 was either named after its creation from parts of five other counties or its support for the Union during the Civil War and has a total area of 247 sq mi. The County seat is Maynardville and the largest city is Plainview. The total population of the county is over 19.1K with marvelous combination of races including White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others with more than 6.7K housing units and 5.1K families.

Immense information related to marriage and divorce details, obituary notice, real estate and property facts, demise facts, origin and birth details, marriage volume number, American Civil War history, war and enlistment data, burial and cemetery details, census data, land and estate data, last will or probate specifics, civil court case lookups, World War I and II information, immigration and naturalization specifics and much likes together constitute the affluent amalgamation of both vital and public data of the Union County data archive.