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Cdv of Capt. Williams NY 4th Heavy Artillery
Capt. Williams NY 4th Heavy Artillery. A CDV of the mutton chopped, steely-eyed captain posing for a side view portrait. Back mark R.W. Addis, Photographer, McClees Gallery, 308 Penna. Avenue, Washington, D.C.

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H B. Williams Residence was not listed; Enlisted as a Captain (date unknown). New York FOURTH REGIMENT OF ARTILLERY (HEAVY; VETERAN). (Three Years) November 1, 1861, Col. Thomas D. Doubleday received authorityto recruit a regiment of heavy artillery. This regiment,originally known as Doubleday's Heavy Artillery, was designated the First Heavy Artillery January 27, 1862; and the Fourth Regiment of Artillery, February 8, 1862. Two companies intended for the United States Lancers were attached to it. It was organized at New York city, and the companies were mustered in the service of the United States for three years, at Port Richmond, S. I., A and B in November, 1861; C in December, 1861; D, G and H in January, 1862; and E and F in February, 1862, eight companies being organized only. Company G was consolidated into Company H, February 8, 1862, before leaving the State; a new Company G joined the regiment in October, 1862, at Washington, D. C., where it was mustered in the United States service for three years, October 25, 1862. July 25, 1863, orders of the War Department attached the four companies of the 11th Artillery, A, B, C and D, to the 4th Regiment as Companies I, K, L and M, respectively, and these companies joined the regiment October 16, 1863, completing the regimental organization. At the expiration of the term of service of the original seven companies, the men entitled thereto were discharged and the companies retained in the service, B and D being reorganized from recruits joining the regiment at the time. June 5, 1865, the enlisted men of Companies G, H, I and K, 8th Artillery, of the 111th, 125th and 126th Infantry, not mustered out with their regiments, joined this regiment by transfer.

The companies were recruited principally: A, U. S. Lancers, at New York city, Groton, Brewster, Dykeman, Pawling, Schenectady, and Paterson, N. J.; B, U. S. Lancers, at Brooklyn, New York city, Gilboa, West Troy and Blenheim; C at Rochester, Scottsville, Oswego, Hornellsville, Canisteo and Mumford; D at Ballston Spa, West Day, N. Greenwich, Port Richmond and Northville; E at New York city, Port Richmond and Cohoes; F at New York city and Staten Island; G and H at New York city, West Day, Edinburgh, Port Richmond, Brooklyn, West Troy, Groton Falls and Rochester; I at Rochester, Buffalo, Batavia, Waterloo and New York city; K at Rochester, Buffalo, Oswego, Niagara, Brooklyn and New York city; L at Rochester, Utica, Nunda, Le Roy and New York city; and M at Canandaigua, Geneva and Rochester; second Company G at New York city and Rondout. The men of the second Companies B and D were recruited principally: those of B at New York city, Troy, Gilboa, Auburn, Brooklyn, Albany and Shandaken; those of Company D at Brooklyn, New York city, Rochester, Albany, Troy, Geneva, Rome and Granger.

The regiment, seven companies, left the State February 10, 1862, and served as heavy artillery and infantry at and near Washington, D. C., in its defenses, and in the 22d Corps, from February, 1862; the 1st Battalion in the Artillery Brigade, 6th Corps, Army of Potomac, the 2d in that of the 5th Corps, and the 3d in that of the 2d Corps, from March, 1864; the regiment in the Artillery Brigade, 2d Corps, from May 31, 1864, the 1st Battalion joining on the 31st, and the 2d on the 29th of May;June 25, 1864, the 1st and 2d Battalions were assigned, respectively, to the 1st and 2d Brigades, 3d Division, 2d Corps; July 13, 1864, the regiment was transferred to the Artillery Reserve of the Army of the Potomac; in August, 1864, it was attached to the 1st Brigade, 1st Division, 2d Corps, and later in August, it served unattached in the same division and corps; from September, 1864, it served in the 4th Brigade, 1st Division, 2d Corps; from March, 1865, in the 2d Brigade, 1st Division, 2d Corps; Company D from July to December, 1864; L from July, 1864, to March, 1865, and C from October, 1864, to May, 1865, served in the Artillery Brigade, 2d Corps; the regiment in DeRussy's Division, 22d Corps, from June, 1865, and September 26, 1865, commanded by Col. John C. Tidball, it was honorably discharged and mustered out at Washington, D. C.

Source: The Union Army, vol. 2