SMITH, Andrew Jackson, soldier, born in Bucks county, Pennsylvania, 28 April, 1815. He was graduated at the United States military academy in 1838, became 1st lieutenant in 1845 and captain in 1847, and was engaged on the frontier in operations against hostile Indians. He became major in May, 1861, colonel of the 2d California cavalry on 2 October of that year, from 11 February to 11 March, 1862, was chief of cavalry of the Department of the Missouri, and in March and July of the Department of the Mississippi. He became brigadier-general of volunteers in March. 1862, engaged in the advance upon Corinth mid siege of that place, was transferred to the Department of the Ohio, and subsequently to the Army of the Tennessee, which he accompanied on the Yazoo river expedition, and participated in the assaults of Chickasaw Bluffs, 27-29 October, 1862, and of Arkansas Post, 11 January, 1863. During the Vicksburg campaign he led a division in the 13th army corps. He was then assigned to the command of a division of the 16th army corps, which captured Fort De Russy, engaged in the battle of Pleasant Hill, and in almost constant skirmishing during the Red River campaign, in April, 1864, receiving the brevet of colonel, United States army, for "gallant and meritorious service at Pleasant Hill." He became lieutenant-colonel, United States army, in May, 1864, and major-general of volunteers on the 12th of that month, was ordered to Missouri, aided in driving General Sterling Price from the state, and was then called to re-enforce General George H. Thomas at Nashville, and to aid in pursuit of General John B. flood's army, being engaged at Nashville. He received the brevets of brigadier-general and major-general, United States army, on 13 March, 1865, for gallant, service at the bat-ties of Tupelo, Mississippi, and Nashville, Tennessee From February till June of that year he commanded the 16th army corps in the reduction and capture of Mobile. He was mustered out of volunteer service in January, 1866, and on 28 July became colonel of the 7th United States cavalry. He then commanded the Department of the Missouri from 14 September, 1867, to 2 March. 1868, and was on leave of absence till 6 May, 1869, when he resigned. On 3 April of that year he became postmaster of St. Louis.