Organized at Manchester and mustered in December 23, 1861. Left State for Boston, Mass., January 24, 1862; thence sailed for Ship Island, Miss., February 15, arriving there March 15. Attached to Butler's New Orleans Expedition to March, 1862. 1st Brigade, Dept. of the Gulf, to November, 1862. Independent Command, Dept. of the Gulf, to January, 1863. 2nd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to September, 1863.
SERVICE:
Duty at Ship Island till April, 1862. Occupation of Ports Wood and Pike, Lake Pontchartrain, May 5. Moved to New Orleans and duty at Camp Parapet till October. Expedition to Lake Pontchartrain July 23-August 2. Operations in District of LaFourche October 24-November 6. Occupation of Donaldsonville October 25. Action at Georgia Landing , near Labadieville, October 27, and at Thibodeauxville October 27. Duty in the District of LaFourche till March, 1863. Expedition to Bayou Teche January 12-14, 1863. Steamer "Cotton" January 14. Operations on Bayou Plaquemine and the Black and Atchafalaya Rivers February 12-23. Operations against Port Hudson March 7-27. Teche Campaign April 11-20. Fort Bisland, near Centreville, April 12-13. Irish Bend April 14. Expedition from Opelousas to Chicotsville and Bayou Boeuff May 1. Expedition to Alexandria on Red River May 5-17. Movement from Alexandria to Port Hudson May 17-24. Siege of Port Hudson May 24-July 5. Assault on Port Hudson June 14. Expedition to Nibletts Bluff May 26-29. Surrender of Port Hudson July 9. Moved to Baton Rouge, La., August 22. Sabine Pass Expedition September 4-11. Moved to Camp Bisland September 15 and duty there till October. Moved to Opelousas, thence to Franklin December -. Designation of Regiment changed to 2nd New Hampshire Cavalry December, 1563. (See 2nd New Hampshire Cavalry.)
Regiment lost during service 5 Officers and 94 Enlisted men killed and mortally wounded and 2 Officers and 256 Enlisted men by disease. Total 360.
