Organized on September 16, 1776 in the Continental Army as Alden’s Regiment. Organized in spring 1777 at Boston to consist of 7 companies from Worcester, Middlesex, Essex, York, Cumberland, Hampshire, Lincoln, and Suffolk Counties, and Mayhew’s Company, 25th Continental Regiment. It was assigned on February 9, 1777 to the Northern Department. Reassigned on March 13, 1777 to from the Northern Department and assigned to the Highland’s Department. It was assigned on June 12, 1777 to the 2nd Massachusetts Brigade, an element of the Highland’s Department. Reassigned on June 15, 1777 from the 2nd Massachusetts Brigade and assigned to the 1st Massachusetts Brigade, an element of the Highland’s Department. Re-designated on August 1, 1779 as the 7th Massachusetts Regiment. Reassigned on January 1, 1781 from the 3rd Massachusetts Brigade and assigned to the 1st Massachusetts Brigade, an element of the Highland’s Department. Furloughed on June 12, 1783 at West Point, New York and disbanded on November 15, 1783.