The 54th New York Infantry Regiment (aka "Schwarze Yaeger" or "Hiram Barney Rifles") was an infantry regiment in the Union Army during the American Civil War.
The 54th New York Infantry was organized in Hudson, New York beginning August 30, 1861 and mustered in September 5, 1861 through October 16, 1861 under the command of Colonel Eugene A. Kozlay.
The regiment was attached to Provisional Brigade, Casey's Division, Army of the Potomac, to December 1861.
Steinwehr's Brigade, Blenker's Division, Army of the Potomac, to March 1862.
Steinwehr's 2nd Brigade, Blenker's 2nd Division, II Corps, Army of the Potomac, to April 1862.
2nd Brigade, Blenker's Division, Department of the Mountains, to June 1862.
2nd Brigade, 3rd Division, I Corps, Army of Virginia, to September 1862.
2nd Brigade, 3rd Division, XI Corps, Army of the Potomac, to November 1862.
Operations against Charleston and duty on Folly and Morris Islands, S.C., until June 1865.