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

Captain Terrence J. Kennedy received, October 18, 1861, authority to recruit this battery. It was recruited and organized at Auburn, and there mustered in the service of the United States for three years, November 23, 1861. At the expiration of its term of service, the men entitled thereto were discharged and the battery continued in service.

It left the State December 4, 1861; received its numerical designation December 7, 1861; served near Washington, D. C, from December, 1861; in W. F. Smith's Division, Army of the Potomac, from January, 1862; in same division, 4th Corps, Army of the Potomac, from March, 1862; in the 2d Division, 6th Corps, Army of the Potomac, from May, 1862; in the Artillery Brigade, 6th Corps, from May, 1863; with the Army of the Shenandoah from October, 1864; in the 22d Corps from December, 1864; in. the 6th Corps, with the Army of the Potomac, from January 25, 1865.

Commanded by Capt. Andrew Cowan, it was honorably discharged and mustered out June 23, 1865, at Syracuse, having lost by death, killed in action, 1 officer, 12 enlisted men; of wounds received in action, 1 officer, 6 enlisted men; of disease and other causes, 38 enlisted men; total, 2 officers, 56 enlisted men; aggregate, 58; of whom 1 enlisted man 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, Volume II: New York, Maryland, West Virginia and Ohio. Madison, WI: Federal Pub. Co., 1908.

First Independent Battery.—Capts., Terrence J. Kennedy, Andrew Cowan. This battery was recruited and organized at Auburn by Capt. Kennedy in the fall of 1861. It was mustered into the U. S. service on Nov. 23, for three years, and left the state on Dec. 4. On the expiration of its term of service the original members, except veterans, were mustered out and the battery, composed of veterans and recruits, continued in service until June 23, 1865, when it was mustered out at Syracuse, N. Y., commanded by Capt. Cowan. It was stationed during the winter of 1861-62 at Washington and in the spring of 1862 was assigned to the 6th corps, with which it moved on the Peninsular campaign, taking part in the siege of Yorktown, the battles of Lee's mill, Williamsburg and the Seven Days. On its return from the Peninsula it was subsequently engaged in the Maryland campaign, with small loss at Antietam and Fredericksburg. In the spring of 1863 it was assigned to the artillery brigade, 6th corps, and participated in the battles of Marye's heights, Salem Church, Deep Run crossing, Gettysburg (where it lost 12 killed and wounded), and in the subsequent Virginia campaigns, ending with that of Mine Run. Still with the 6th corps it fought through the bloody battles of the Wilderness campaign, leading up to the investment of Petersburg, where it was in the trenches from June i8 to July 9, 1864. It then took part in Sheridan's campaign in the Shenandoah, being engaged at the Opequan, Fisher's hill and Cedar creek besides numerous lesser engagements. At Cedar creek its loss was 23 killed and wounded. In Jan., 1865, it was again ordered to Petersburg, where it was engaged on March 25 with a loss of 5, and then took part in the Appomattox campaign ending with the surrender of Lee. It lost during service 2 officers and 18 men killed and mortally wounded; 38 men died of disease and other causes, a total of 58.