UNDERWOOD, Adin Ballou, soldier, born in Milford, Massachusetts, 19 May, 1828 ; died in Boston, Massachusetts, 14 January, 1888. His ancestors came to Hingham before 1637 and afterward settled in Watertown. His father, Orison, was a brigadier-general of militia. After graduation at Brown in 1849 the son studied law at Harvard, was admitted to the bar in 1853, and settled in Boston in 1855. At the beginning of the civil war he was active in raising recruits, and he was appointed captain in the 2d Massachusetts infantry in April, 1861. He became major in the 33d regiment in July, 1862, lieutenant-colonel and colonel in the same year, participated in the battles of Fredericksburg, Chancellorsville, and Gettysburg, and served under General Joseph Hooker at Lookout Mountain, but, being dangerously wounded, was disabled from further field duty. He was appointed brigadier-general of volunteers on 13 January, 1863, received the brevet of major-general of volunteers on 13 August, 1865, and was mustered out on 10 July, 1866. For nearly twenty years he was surveyor of the port of Boston. General Underwood published "Three Years' Service of the Twenty-third Massachusetts Infantry" (Boston, 1881).