HISTORICAL NOTES:
Company "A" organized as 1st Company New Hampshire Heavy Artillery and mustered in July 22, 1863. Stationed at Fort Constitution until May 6, 1864.
Company "B" organized as 2nd Company New Hampshire Heavy Artillery and mustered in September 17, 1863. Stationed at Fort McClary, Kittery Point, until May 6, 1864. These 2 Companies ordered to Washington, D.C., May 6, 1864. Attached to Augur's Command, Defenses of Washington, 22nd Corps, and assigned to duty in the Defenses of Washington, D.C. Company "A" at Forts Slocum, Stevens, Totten, Sumner and Batteries Cameron, Parrott, Kendall and Vermont until November, 1864. Ordered to Portsmouth Harbor November 25, 1864. Company "B" at Forts Bunker Hill, Saratoga, Lincoln, Bayard, Gaines and Foote until February, 1865, when ordered to Portsmouth Harbor, N.H. Repulse of Early's attack on Washington July 11-12, 1864 (Cos. "A" and "B").
Company C was organized from September 2 to October 17, 1864 and mustered in Concord.
Company D was mustered in from September 2 to October 17, 1864 in Concord.
Company E was organized from September 2 to October 17, 1864 and mustered in Concord.
Company F was organized from September 2 to October 17, 1864 and mustered in Concord.
Company G was organized from September 2 to October 17, 1864 and mustered in Concord.
Company H was organized from September 2 to October 17, 1864 and mustered in Concord.
Company I was organized from September 2 to October 17, 1864 and mustered in Concord.
Company K was organized from September 2 to October 17, 1864. Mustered in September 17, 1864 in Portsmouth.
Company L was organized from September 2 to October 17, 1864. Mustered in October 17, 1864 in Concord.
Company M was formed by assignment of 1st New Hampshire Battery, Volunteer Light Artillery, November 5, 1864, but remained detached as a Light Battery
The Regiment mustered out June 15, 1865. Recruits consolidated to 2 Companies and mustered out September 11, 1865.
ROSTERS:
The compiled service records of this unit contains 2610 men.