Windham County Connecticut Genealogy and History

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Windham County, Connecticut genealogy and family history page is a place where you can come in and research your genealogy and family history. We also do our best to provide a history of the area, to provide you with an overview of the time in which your ancestors lived.

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Early History of Windham County, Connecticut

Windham County was created from Hartford and New London counties on 12 May 1726

In May 1749, the town of Woodstock, formerly New Roxbury, Worcester County Massachusetts, was unilaterally annexed by Connecticut and assigned to Windham County. In 1785, the town of Union (incorporated in 1734) was transferred to the newly formed Tolland County. Over the next century, Windham County would lose several towns to Tolland and New London counties: Coventry to Tolland in 1786, Lebanon to New London in 1824, Columbia and Mansfield to Tolland in 1827, and Voluntown to New London in 1881. The final boundary adjustment occurred on April 7, 1885, when the boundary dispute between the towns of Windham and Mansfield was resolved.