Middlesex County Historical Societies Chester Chester Historical Society - Chester, CT The Chester Historical Society provides events and programs for residents and visitors on a frequent basis. Darien Middlesex Genealogical Society: P.O. Box 1111, Darien 06820-1111
Essex Essex Historical Society: 22 Prospect St., Essex 06426-1021
Haddam Haddam Historical Society: 14 Hayden Hill Rd., Haddam 06438-1118
Old Saybrook Old Saybrook Historical Society - Old Saybrook, CT
