General Mansfield House
151 Main Street
Middletown, CT 06457
Phone: (860) 346-0746

Museum House
Mon.-Thurs., 10am - 3pm
1st Sat. of the month, 12-3pm

Genealogy and research in archives by appointment only.

The newsletter of the Society is The Historical Observer: Newsletter of the Middlesex County Historical Society. Published an average of three times a year, The Observer provides members with Society news, a calendar of events, and stories that bring to light little-known aspects of our local history.