Dukes County, New York

Dukes County, New York was formed on November 1, 1683 by New York from the Elizabeth Islands, Martha's Vineyard, and Nantucket Island. The entire county was transferred to Massachusetts in 1691 where it formed Dukes County, Massachusetts and Nantucket County, Massachusetts. It was formed at the same time as Kings County, New York, Queens County, New York, and Dutchess County, New York