Chatham, New Hampshire Chatham, New Hampshire Chatham is a town in Carroll County, New Hampshire, United States. The population was 337 at the 2010 census. It is located in the White Mountains, and except for the southeast corner, all of Chatham is in the White Mountain National Forest. The town is home to the Cold River national forest campgrounds. Chatham was granted to Peter Livins and others, 7 February 1767, by colonial Governor Benning Wentworth. The town was named in honor of William Pitt, Earl of Chatham and Prime Minister of Great Britain, who had recently led Britain to victory in the Seven
George III of the United Kingdom Prime Minister. After a brief illness, which may have presaged his illnesses to come, George settled on Lord Rockingham to form a ministry, and dismissed Grenville. Lord Rockingham, with the support of Pitt and the King, repealed Grenville's unpopular Stamp Act, but his government was weak and he was replaced in 1766 by Pitt, whom George created Earl of Chatham. The actions of Lord Chatham and George III in repealing the Act were so popular in America that statues of them both were erected in New York City. Lord Chatham fell ill in 1767, and the Duke of Grafton took