Ammi Williams was an early settler and prominent businessman of DeKalb County, Georgia

DeKalb County, Georgia

DeKalb County is a county located in the U.S. state of Georgia. The population of the county was 691,893 at the 2010 census. Its county seat is the city of Decatur. It is bordered to the west by Fulton County and contains roughly 10% of the city of Atlanta...

. Williams married Laura Loomis in 1810. The couple had two daughters, Laura (b. 1820), wife of Lemuel Grant, and Martha Buckingham (b. 1826). Around 1825, he built and lived in the Benjamin Swanton House, now listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

 and the oldest home in DeKalb County. He purchased land lot 78, which now comprises much of downtown Atlanta. Williams is buried in Oakland Cemetery. Williams Street in Atlanta is named for him.