Windham County was formed on 16 Feb 1781 from Cumberland County.
Communities: Algiers, Athens, Bellows Falls, Brattleboro, Brookline, Cambridgeport, Dover, Dummerston, East Jamaica, Grafton, Guilford, Halifax, Harmonyville, Houghtonville, Jacksonville, Jamaica, Londonderry, Marlboro, Newfane, North Westminster, Putney, Rawsonville, Rockingham, Saxtons River, Somerset, South Londonderry, Stratton, Townshend, Vernon, Wardsboro, West Brattleboro, Westminster, Whitingham, Williamsville, Wilmington, Windham
Map: McClellan’s map of Windham County, Vermont, 1858 with landowners, Map of Library of Congress, Geography and Map Division
Brattleboro, Windham County, Vermont; Early history, with Biographical Sketches, Henry Burnham, 1880
Institutions, Societies, and Government Websites
Windham County, Vital Town Records, 1732-2005 (Family Search)