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, 1908.

Twenty-fifth New York Cavalry

Twenty-fifth Cavalry.—Cols., Henry F. Liebenau, Gurden Chapin; Lieut. -Col., Aaron Seeley; Majs., Samuel W. McPherson, Charles J. Seymour, Clinton G. Townsley, John F. L. Danesi, Charles F. Willard. The 25th, known as the Sickles Cavalry, was organized at Saratoga Springs and Hart's island, under Col. Liebenau and his successor. Col. Chapin. The companies of which it was composed were recruited in the counties of New York, Delaware, Saratoga and Sullivan. Cos. A, B, C. D, E and F were mustered into the U. S. service at Saratoga from Feb. 20 to April 23, 1864, for three years; G, H, I, K, L and M, at Hart's island, from April 20 to Oct. 20, 1864. Throughout most of its term of service the regiment was commanded by Lieut-Col. Seeley, who was a popular officer and received an honorable wound at the battle of Woodstock, Va. The regiment left the state by detachments, going first to Washington and in June, 1864, served in the provost guard of the Army of the Potomac, returning to Washington in July. During this period it was engaged at White House landing, Charles City Court House, and Fort Stevens. In Aug., 1864, it was assigned to Merritt's cavalry division, with which organization it participated in Sheridan's brilliant campaign in the Shenandoah Valley, engaging at Halltown, Duffield Station, Leetown, Bunker Hill, Berryville, the Opequan, Fisher's hill, Front Royal, Luray, Port Republic, Woodstock, Conrad's ferry, Newtown (sustaining here its greatest loss, 22 killed, wounded and missing), White Plains, Upperville, Snicker's gap, Flint hill and Madison Court House. In Jan., 1865, it was in action at Columbia Furnace and saw its last fighting in March at Mt. Jackson, Harrisonburg, Rude's hill and Staunton. In April, 1865, it was assigned to the cavalry division, Army of West Virginia, and was finally mustered out and discharged at Hart's island, N. Y. harbor, on June 27, 1865. Its losses by death during service were 1 officer and 16 men killed and mortally wounded; 49 men died of disease, accidents, in prison, etc., a total of 66. The only commissioned officer killed in action was Lieut. Charles N. Howard, who fell at White House landing, June 21, 1864.

Twenty-fifth New York Cavalry, 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, 1908, Vol. 2, Page 199. (PDF)

See also: 25th Cavalry Regiment, 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, 1908, Vol. 2, Page 199, New York State Military Museum and Veterans Research Center.