The 85th New York Infantry was organized at
Elmira,
New York beginning in August 1861 and mustered in for three-years service on December 2, 1861 under the command of
Colonel Uriah L. Davis. The regiment was attached to 3rd Brigade, Casey's Division,
Army of the Potomac, to March 1862. 3rd Brigade, 3rd Division,
IV Corps, Army of the Potomac, to June 1862. 2nd Brigade, 2nd Division, IV Corps, to September 1862. Wessell's Brigade, Division at Suffolk,
VII Corps,
Department of Virginia, to December 1862. 1st Brigade, 1st Division,
Department of North Carolina, to January 1863. 1st Brigade, 4th Division,
XVIII Corps, Department of North Carolina, to May 1863. District of the Albemarle, Department of North Carolina, August 1863. Sub-District of the Albemarle, District of North Carolina,
Department of Virginia and North Carolina, to April 1864. Plymouth, North Carolina, District of North Carolina, January to March 1865. 2nd Brigade, Division District of Beaufort, North Carolina, Department of North Carolina, to April 1865. Unattached,
XXIII Corps, Department of North Carolina, to June 1865. The 85th New York Infantry mustered out of service on June 27, 1865. ==Detailed service==