The following is taken from New York in the War of the Rebellion, 3rd ed. Frederick Phisterer. Albany: J. B. Lyon Company, 1912.

This regiment, Col. Edward Frisby, was accepted by the State May 22, 1861; organized at Troy, and there mustered in the service of the United States for two years June I, 1861; December 7, 1862, a new company joined the regiment, becoming Company F, in place of the one consolidated with the other companies. The three years' men of the regiment were transferred to the 76th Infantry May 24, 1863.
The companies were recruited principally: A at Lansingburgh; B and I at Troy; C at Schenectady; D, F and G at Saratoga Springs; E at Poughkeepsie; H at Hoosick Falls and Eagle Bridge, and reorganized at Troy, and K at Kinderhook.
The regiment left the State June 28, 1861; served at and near Washington, D. C, from June 29, 1861, in Keyes' Brigade, Division of Potomac, from August 4, 1861; in 1st, same, Brigade, McDowell's Division, Army of the Potomac, from October, 1861; in 3d, Augur's, Brigade, same division, from January, 1862; in 1st Brigade, 3d, King's, Division, 1st Corps, Army of the Potomac, from March 13, 1862; in 1st Brigade, King's Division, Department of Rappahannock, from May, 1862; in 1st Brigade, 1st Division, 3d Corps, Army of Virginia, from June 26, 1862; in same brigade and division, 1st Corps, Army of the Potomac, from September 12, 1862; and was honorably discharged and mustered out under Col. Wm. M. Searing, June 18, 1863, at Albany, N. Y.
June 23, 1863, Col. Morgan H. Chrysler received authority to reorganize this regiment for mounted and three years' service as the Empire Light Cavalry; later, the designation was changed to 2d Veteran Cavalry, and under that name the reorganization was perfected.
During its service, the regiment lost by death, killed in action, 4 officers, 62 enlisted men; of wounds received in action, 2 officers, 13 enlisted men; of disease and other causes, 2 officers, 31 enlisted men; total, 8 officers, 106 enlisted men; aggregate, 114; of whom 3 enlisted men died in the hands of the enemy.

The following is taken from The Union army: a history of military affairs in the loyal states, 1861-65 -- records of the regiments in the Union army -- cyclopedia of battles -- memoirs of commanders and soldiers. Madison, WI: Federal Pub. Co., 1908. volume II.

Thirtieth Infantry.—Cols., Edward Frisby, William M. Searing; Lieut.-Cols., Charles E. Brintnall, William M. Searing, Morgan H. Chrysler; Majs., William M. Searing, Morgan H. Chrysler, Albert J. Perry. The 30th regiment, organized at Troy, was composed of two companies recruited at Saratoga Springs, two at Troy, one each at Lansingburg, Schenectady, Poughkeepsie, Hoosick, Valatie and in Saratoga county, and was mustered into the U. S. service for two years at Troy, June 1,. 1861. It left the state for Washington on June 28; was stationed at Brightwopd and Hunter's Chapel; established winter quarters at Upton's hill until March 10, 1862; left camp with the 1st brigade, 3d division, 1st corps, Army of the Poto-mac (the Iron Brigade) and marched to Manassas; from there to Falmouth, then to Massaponax and Front Royal. Returning to Falmouth, reconnoitering expeditions were undertaken to Orange Court House and Hanover Court House, where skirmishes occurred: With the 1st brigade, 1st division, 3d corps, Army of Virginia, the regiment fought at White Sulphur Springs, at Gainesville, at Grove-ton, and the second Bull Run, losing in the last battle 66 members killed or mortally wounded out of 341 engaged—over 19 per cent The total loss of the command in this campaign was 183 killed, wounded or missing, Col. Frisby being among the wounded. After a short time in camp at Upton's hill, the regiment moved into Mary-land; was active at South mountain and at Antietam, after which it went into camp at Sharpsburg, where its sadly depleted ranks were •reinforced by the addition of new recruits. On Oct. 30, 1862, the regiment moved to Warrenton; thence to Brooks' station, near Falmouth; participated in the battle of Fredericksburg; established winter quarters at Belle Plain, where in Dec., 1862, a new company, which became Co. F. was added to the regiment, the old Co. F being consolidated with other companies. The regiment took part in the Chancellorsville campaign, then returned for a short time to its camp at Belle Plain, which it left on May 28, 1863, for Albany, and was there mustered out on June 18. The total enrollment of the regiment was 1,154 members and it lost 78 by death from wounds during its term of service and 33 died from other causes. The three years men were transferred to the 76th N. Y. infantry on May 24, 1863.