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is a town in Hillsborough County, New Hampshire, United States. The population was 10,914 at the 2000 census, with an estimated population of 12,514 in 2006.
Pelham was split from Old Dunstable in 1741, when the border between Massachusetts and New Hampshire was changed. It was incorporated in 1746. The town is named in honor of Henry Pelham, Prime Minister of the United Kingdom from 1743-1754. Henry Pelham was a relative of colonial governor Benning Wentworth.