15th New York Heavy Artillery

== Regimental History and Service Record ==
Originally organized as 3rd New York German Heavy Artillery Battalion at New York City October to December, 1861. Left State for Washington, D.C., December 19, 1861. Attached to Defenses of Washington to March, 1862. Artillery Brigade, Military District of Washington, to May, 1862. Whipple's Command, Military District of Washington, to July, 1862. Fort Lyon, Defenses of Washington, to February, 1863. Tyler's Command, De Russy's Division, 22nd Army Corps, Dept. of Washington, to June, 1863. 2nd Brigade, DeRussy's Division, 22nd Army Corps, to October, 1863. Designation of Regiment changed to 15th New York Heavy Artillery September 30, 1863, and 3rd Battalion assigned as Companies "A," "B," "C," "D" and "E." 4th Brigade, De Russy's Division, 22nd Army Corps. to February, 1864. Artillery Reserve, Army of the Potomac, to March, 1864. 1st Brigade, Artillery Reserve, Army of the Potomac, to May, 1864. Kitching's Independent Brigade, 5th Army Corps, May, 1864. 1st Brigade, 3rd Division, 5th Army Corps, May 30-June 2, 1864. 3rd Brigade, 2nd Division, 5th Army Corps, to August, 1865. 1st Brigade, 2nd Division, 5th Army Corps, to May, 1865. 4th Brigade, DeRussy's Division, 22nd Army Corps, to June, 1865. 1st Brigade, DeRussy's Division, 22nd Army Corps, to August, 1865. (Co. "F" attached to Artillery Reserve, Army of the Potomac, June to December, 1864. Company "M" to Artillery Brigade, 5th Army Corps, January to June, 1865.)
SERVICE.--
* Duty in the Defenses of Washington, D.C., until April, 1864.
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, VirginiaNot originally referenced on Dyer summary but listed on unit homepage
** May 8-21, 1864 - Battles of Spotsylvania Court House, VirginiaNot originally referenced on Dyer summary but listed on unit homepage
*** May 19, 1864 - Engagement at Harris Farm, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
*** May 25, 1864 - Engagement at Jericho Ford, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
*** June 1-3, 1864 - Battle of Bethesda Church, Virginia
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Weldon Railroad June 22-23, 1864. Mine Explosion, Petersburg, July 30 (Reserve). Six-Mile House, Weldon Railroad, August 18-21. Poplar Springs Church, Peeble's Farm, September 29-October 2. Boydton Plank Road, Hatcher's Run October 27-28. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Appomattox Campaign March 28-April 9. Gravelly Run March 29. Boydton Road and White Oak Road March 31. Five Forks April 1. Fall of Petersburg April 2. Pursuit of Lee April 3-9. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D.C., May. Grand Review May 23. Duty at Washington until August. Mustered out August 22, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 8 Officers and 142 Enlisted men killed and mortally wounded and 5 Officers and 225 Enlisted men by disease. Total 380.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 932, 933, 934, 937, 938, 940, 941, 1386-1387)
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