Organized at Concord and mustered in for nine months October 24, 1862. Moved to New York November and join Banks' Expeditionary Corps. Sailed for New Orleans, La., December 6, arriving December 20. Attached to Sherman's Division, Dept. of the Gulf, to January, 1863. 1st Brigade, 3rd Division, 19th Army Corps, Army of the Gulf, to May, 1863. 1st Brigade, 2nd Division, 19th Army Corps, to August, 1863.
SERVICE.--Duty at Carrollton and in the Defenses of New Orleans, La., until April, 1863. Operations on Bayou Plaquemine and the Black and Atchafalaya Rivers February 12-28. Operations against Port Hudson, La., March 7-27. Fort Burton, Butte a la Rose, April 19. At Fort Burton until May 30. Ordered to Port Hudson May 30, and assigned as guard at arsenal of Banks' Army at Springfield Landing June 3 to July 9. Surrender of Port Hudson July 9. Occupation of works until August 1. Moved to Concord, N.H., August 1-14. Mustered out August 20, 1863.
Regiment lost during service 5 Officers and 216 Enlisted men by disease. Total 221.