Organized at Camp Cameron, Cambridge, August 28, 1861. Moved to Camp Chase, Lowell, September 23, and to Boston November 19. Sailed on Steamer "Constitution" to Ship Island, Miss., November 21, arriving there December 3. Duty at Ship Island till April 15, 1862. Attached to Ship Island Expedition to March, 1862. 2nd Brigade, Dept. of the Gulf, to October, 1862. Defences of New Orleans, Dept. of the Gulf, to January, 1863. 2nd Brigade, 2nd Division, 19th Army Corps, Dept, of the Gulf, to July, 1863. 2nd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to February, 1864. 2nd Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf, to June, 1864. 1st Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf, to July, 1864, and Army of the Shenandoah, Middle Military Division, to January, 1865. 2nd Brigade, 1st Division, 19th Army Corps, Army of the Shenandoah, to April, 1865. 2nd Brigade, 1st Provisional Division, Army of the Shenandoah, to April, 1865. 2nd Brigade, 1st Division, Dept. of Washington, 22nd Army Corps, to June, 1865. Dept. of the South to August, 1865.

SERVICE:
Occupation of Ship Island, Miss., December 3, 1861, to April 15, 1862. Skirmish at Mississippi City March 8, 1862. Movement to the passes of the Mississippi River April 15-18. Operations against Forts St. Phillip and Jackson April 18-28. Occupation of Forts St. Phillip and Jackson April 28 to July --. Moved to New Orieans, La., and duty there till June 20, 1863. Expedition to Pass Manchac and Ponchatoula September 13-15, 1862 (1 Co.). Ponchatoula September 14-15 (1 Co.). Moved to LaFourche Crossing June 20, 1863. Action at LaFourche Crossing, Thibodeaux, June 20-21. Moved to Bontee Station June 26, and to Jefferson Station June 30. Moved to New Orleans July 15, and Provost duty there till August 28. Moved to Baton Rouge August 28-29. Sabine Pass Texas Expedition, September 4-11. At Algiers till September 16. Moved to Brashear City and Berwick City September 16, and to Camp Bisland September 23. Western Louisiana "Teche" Campaign October 3-November 30. At New Iberia till January 7, 1864. Moved to Franklin January 7-9 and duty there till February 24. Moved to New Orleans February 24-25 and duty there till March 22. (Veterans on leave March 22 to May 20.) Camp at Carrollton till June 8. Moved to Morganza June 8 and duty there till July 3. Moved to New Orleans July 3-4, thence to Fortress Monroe and Bermuda Hundred, Va., July 11-21. On the Bermuda Hundred front July 22-28. Demonstration on north side of the James July 28-30. Deep Bottom July 28-29. Moved to Washington, D. C., July 30-August 1; thence to Tennallytown August 1. Sheridan's Shenandoah Valley Campaign August to December. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Battle of Cedar Creek October 19. Non-Veterans left front October 19 and mustered out November 7, 1864. Provost duty at Headquarters of Middle Military Division and Army of the Shenandoah at Winchester, till May 1, 1865. Moved to Washington, D. C., May 1-2, and camp there till June 3. Moved to Savannah, Ga., June 3-7, and Provost duty there till August 2. Mustered out August 26, 1865. Moved to Boston, Mass., September 12-18, and there discharged from service.
Regiment lost during service 3 Officers and 61 Enlisted men killed and mortally wounded and 3 Officers and 182 Enlisted men by disease. Total 249.