McLAUGHLEN, Napoleon Bonaparte, soldier, born in Chelsea, Vermont, 8 December, 1823; died in Middletown, New York, 27 January. 1887. He enlisted in the 2d United States dragoons in 1850, rose to be sergeant, re-enlisted when his term of service expired, and on 27 March, 1861, was appointed a lieutenant in the 1st cavalry. He was promoted 1st lieutenant in May, transferred to the 4th cavalry in August, and served as inspector-general of the Army of Kentucky. On 17 July, 1862, he was commissioned caption, and on 1 October was appointed colonel of the 1st Massachusetts volunteers. He was engaged at Fredericksburg, receiving the brevet of major for Chancellorsville, won another brevet at Gettysburg, fought at Locust Grove and in the battle of the Wilderness, and commanded a provisional brigade at Spottsylvania. In June, 1864, he rejoined his regiment in front of Atlanta, but in September was appointed colonel of the 57th Massachusetts veteran volunteers, commanded a brigade at the siege of Petersburg, and also at the battle of Poplar Grove Church, and for his gallantry in this engagement was brevetted brigadier-general of volunteers and assigned to duty according to his brevet rank. He did good service in defence of Fort Steedman, receiving the brevet of colonel in the United States army, and was taken prisoner there and confined in Libby prison till the surrender of General Lee. He was brevetted brigadier-general, United States army, in March, 1865, for gallant conduct in the field during the war, mustered out of the volunteer service on 10 August, 1865, promoted major in the 10th cavalry on 17 May, 1876, and placed on the retired list on 26 June, 1882.