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

8th Artillery Regiment
Civil War
Albany County Regiment; Seymour Guard.
History
The following is taken from New York in the War of the Rebellion, 3rd ed. Frederick Phisterer. Albany: J. B. Lyon Company, 1912.
Mustered in as the 129th regiment of infantry: August 22, 1862
Designated 8th regiment of artillery (heavy): December 19, 1862
Mustered out: June 5, 1865
Col. Peter A. Porter received, July 7, 1862, authority to recruit a regiment in the counties of Genesee, Niagara and Orleans. This regiment was, August 28, 1862, designated the 129th Regiment of Infantry. It was organized at Lockport, and there mustered in the service of the United States for three years, August 22, 1862. It was converted into a regiment of artillery, and December 19, 1862, designated the 8th Regiment of Artillery. Two additional companies were organized at Lockport in December, 1863, and January, 1864, and mustered in the United States service for one and three years.
Three companies were recruited in the county of Genesee, three in the county of Orleans, and four in Niagara county; Company L at Bennington, Bergen, Lewiston, Pavilion, LeRoy, Oakfield, Bethany, Pembroke, Alabama, Darien, Alexandria, Batavia, Rochester, Middleburg and Stafford; and M at Warsaw, China, Rochester, Sheldon, Lima, Lockport, Avon, Java and Wethersfield.
The regiment (ten companies) left the State August 23, 1862, and served as heavy artillery and infantry at Baltimore, Md., and vicinity from August 27, 1862; at Harper's Ferry, W. Va., from July 10, 1863; at Baltimore, Md,, and vicinity from August 3, 1863, in the Middle Department, 8th Corps. Companies L and M joined in February, 1864, and the regiment served in Tyler's Division, 2d Corps, from May 17, 1864; in the 4th Brigade, 2d Division, 2d Corps, from May 29, 1864; and in the 2d Brigade, 2d Division, 2d Corps, from June 26, 1864.
June 5, 1865, Companies A to K were, under the command of Lieut-Col. Joseph W. Holmes, mustered out and honorably discharged at Munson's Hill, Va.; the men not discharged with their respective companies were transferred, those of Companies G, H, I and K to the 4th N. Y. Volunteer Artillery, and those of Companies A, B, C, D, E and F, and also Companies L and M, to the 10th N. Y. Volunteer Infantry, of which the men of Companies A, D and F formed Company K; those of B, C and E Company I; Company L became Company H and M Company G.
During its service the regiment lost by death, killed in action, 11 officers, 199 enlisted men; of wounds received in action, 9 officers, 145 enlisted men; of disease and other causes, 4 officers, 302 enlisted men; total, 24 officers, 646 enlisted men; aggregate, 670; of whom I officer and 113 enlisted men died in the hands of the enemy

Godfrey C Hastings