“Irish Brigade Batteries”

1861
Four Companies organized at New York City
December 9 Mustered in
December 16 Left State for Washington, D.C.,
December 21 Companies consolidated, B and D forming new Battery A, and A and C forming new Battery B.
December Duty in Defenses of Washington.
1862
March Battery A attached to Richardson’s 1st Division, 2nd Army Corps, Army of the Potomac.

Battery B attached to Williams’ Division, Banks’ 5th Corps.

April Battery B attached to Doubleday’s Brigade, Dept. of the Rappahannock
April 5-May 4 Siege of Yorktown, Va. – Battery A
May Battery A sections detached:

1st Section attached to Battery C, 4th United States Artillery

2nd Section to Battery B, 1st New York Light Artillery, serving with 1st Division, 2nd Army Corps

3rd Section to Battery G, 1st New York Light Artillery, serving with Artillery Reserve, 5th Army Corps

May 31-June 1 Battle of Fair Oaks, Seven Pines – Battery A
June Battery A attached to Reserve Artillery, 2nd Army Corps as part of 1st New York, Battery G

Battery B attached to Reserve Artillery, Army of Virginia

June 25-July 1 Seven days before Richmond – Battery A
June 27 Battles of Gaines Mill – Battery A
June 29 Peach Orchard and Savage Station – Battery A
June 30 White Oak Swamp and Glendale – Battery A
July 1 Malvern Hill – Battery A
July Duty at Harrison’s Landing – Battery A
August 16-30 Battery A – Movement to Fortress Monroe, thence to Alexandria and Centreville
August 30 Bull Run – Battery A
September 1 Centreville – Battery A
September 2 Germantown Road – Battery A
September Battery B at Relay House, Md., attached to 8th Army Corps, Middle Department
September 16-17 Battle of Antietam -Battery A
Battery A – Duty at Harper’s Ferry, W. Va.
October 16-17 Battery A near Charlestown
October Battery A designated 14th New York Independent Battery Light Artillery

Battery B designated 15th New York Independent Battery Light Artillery