3rd New Hampshire Volunteer Infantry 3rd New Hampshire Volunteer Regiment was an infantry regiment in the Union army during the American Civil War . It was organized at Camp Berry in Concord and mustered in on August 23 , 1861 , for three years service , 1047 officers and men . The regiment served most of its time on the Atlantic coast in the Carolinas . The 3rd New Hampshire finished the war in North Carolina and were mustered out of Federal service on July 20 , 1865 , arriving back in Concord , NH on the 28th for final discharge and payment . The 3rd had a total of 198 casualties , with another 154 dying in Confederate prisons , disease , or warfare - related accidents . Military service . After being mustered in , the 3rd New Hampshire left for Long Island , New York , encamping at Camp Winfield Scott at Hempstead Plains . From here , they went to Washington , D . C . and Annapolis , Maryland before arriving at Hilton Head , South Carolina , as part of the forces used to establish Federal footholds on the South ' s Atlantic Coast . Except for minor skirmishes with Confederate pickets , they did not see action until June 16 , 1862 , where it participated in the Battle of Secessionville . The 3rd entered battle with 26 officers and 597 men and suffered 104 casualties — 27 of them killed or mortally wounded . In August 1862 , the undersized Company H , consisting of 48 men , was stationed at the northern end of Pinckney Island . A Confederate raid overran this position , resulting in seven deaths and 36 prisoners of war , who were later exchanged . The 3rd New Hampshire then engaged in amphibious operations for several months and was assigned to one of the brigades to attack Fort Wagner . From July 10 – 13 , 1863 , the 3rd attempted the first assault , which failed , losing seven killed and 21 wounded . The regiment lost another eight in a second failed assault which took place July 18 , 1863 . During the spring of 1864 , the 3rd New Hampshire was transferred north to Virginia where they joined the 10th Corps , also known as the Army of the James . Soon after , they were heavily engaged at Drewry ’ s Bluff on May 16 , 1864 , where sixty - six New Hampshire men were killed or wounded . On August 16 , 1864 , they also fought at Deep Bottom , Virginia , where Lt . Colonel Josiah Plimpton , in command of the regiment , was mortally wounded . On the 23rd of August , 1864 , the three year term of service was up for the original volunteers , and those who did not reenlist were mustered out and sent home . Only 180 men remained of the thousand who had left Concord three years prior In January 1865 , the 3rd New Hampshire also took part in the successful attack on Fort Fisher in North Carolina . Demographics . Out of the 900 men in the regiment , 450 were farmers , 69 laborers , 44 machinists , 31 carpenters , 30 manufacturers , 27 painters , 15 teamsters , and 16 clerks . The origin of the 3rd New Hampshire is as follows : six hundred twenty - nine ( 629 ) from New Hampshire , 118 from Massachusetts , 116 from Ireland , 81 from Vermont , 70 from Maine , and 31 from New York , and the remaining from various other places . Company C , commanded by Capt . Michael Donohoe , was almost entirely Irish . References . [ 1 ] State of NH , Report of the Adjutant General , 1866 : vol II pg505 [ 2 ] State of NH , Report of the Adjutant General , 1866 : vol II pg502