Decatur County, Georgia: History
The county was created by an act of the Georgia General Assembly on December 8, 1823, from a portion of Early County. Three other counties were created from land that was originally part of Decatur County.
In 1825, a portion of Decatur was used in the creation of Thomas County. In 1905, another portion of Decatur was used in the creation of part of Grady County. In 1920, the western portion of Decatur County was used to form Seminole County in its entirety.
Decatur County is named for United States Navy Commodore Stephen Decatur, a hero of the War of 1812.