Chatham County, Georgia Chatham County, Georgia Chatham County is a county in the U.S. state of Georgia, and is located on the state's Atlantic coast. The county seat and largest city is Savannah. One of the original counties of Georgia, Chatham County was created February 5, 1777, and is named after William Pitt, 1st Earl of Chatham. The U.S. Census Bureau's 2017 population estimate for Chatham County was 290,501 residents, making Chatham the most populous Georgia county outside the Atlanta metropolitan area. The official 2010 Census counted 265,128 residents in Chatham County. Chatham is the core county of the Savannah metropolitan area. According
George Brudenell, 3rd Earl of Cardigan Elizabeth Bruce, daughter of Thomas Bruce, 2nd Earl of Ailesbury and 3rd Earl of Elgin, in 1703. They had several children, including George, the 4th Earl, who was created Duke of Montagu in 1766, James Brudenell, 5th Earl of Cardigan, the Honourable Robert Brudenell and Thomas Brudenell-Bruce, who succeeded to the Bruce estates and was created Earl of Ailesbury in 1776. Lord Cardigan died in July 1732 and was succeeded by his eldest son, George. The Countess of Cardigan died in December 1745, aged 56. George Brudenell, 3rd Earl of Cardigan George Brudenell, 3rd Earl of Cardigan (29 September 1685