It is not to be confused with the 2nd Connecticut Volunteer Infantry Regiment which served during the American Civil War.

It was organized between 1 January and April 1777 at Danbury, Connecticut of eight companies from the counties of Fairfield, Windham, and Hartford in the state of Connecticut and assigned on 3 April 1777 to the 1st Connecticut Brigade of the Highlands Department which protected the southern approaches to West Point on the Hudson River in New York.

One month later, 10 July 1777 the regiment was reassigned to 1st Connecticut Brigade.

On 1 May 1779 the 2nd Connecticut Brigade was reassigned to the Highlands department and the regiment was re-organized to nine companies on 11 July 1779.

The regiment was reassigned to the Main Continental Army on 16 November 1779.