Chatham, New Hampshire those sixty five or over. 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
Earl of Bellomont died without surviving male issue in 1766. The late Earl was succeeded in the barony of Coote by his first cousin once removed, Charles Coote, who became the fifth Baron. Charles was the son of Charles Coote (1695–1750), Member of Parliament for County Cavan, son of the Honourable Thomas Coote, a Justice of the Court of King's Bench (Ireland), younger son of the first Baron. On 4 September 1767 the earldom of Bellomont was created for the third time when Charles was made Earl of Bellomont (although the title was probably erroneously spelled "Bell"a"mont" in the letters patent). On 18