33rd New York Infantry
"Ontario Regiment"

Roster

Charles E. Chapman--Co. I--In roster .pdf file
George Clark--Co. K--In roster .pdf file


Organized at Elmira, N. Y, and mustered in July 3, 1861, to date May 22, 1861. Moved to Washington, D. C., July 8. Attached to W. F. Smith's Brigade, Division of the Potomac, to October, 1861. 2nd Brigade, W. F. Smith's Division, Army of the Potomac, to March, 1862. 3rd Brigade, 2nd Division, 4th Army Corps, Army of the Potomac, to May, 1862. 3rd Brigade, 2nd Division, 6th Army Corps, to June, 1863.

SERVICE.--Duty in the Defenses of Washington, D. C., until March, 1862. Advance on Manassas, Va., March 10-15, 1862. Embarked for the Peninsula, Va., March 23. Near Lee's Mills April 5. Siege of Yorktown April 5-May 4. Lee's Mills near Burnt Chimneys April 16. Battle of Williamsburg May 5. Storming of Fort Magruder. Mechanicsville May 23-24. Seven days before Richmond June 25-July 1. Gaines' Mill, Garnett's Farm, June 27. Garnett's and Golding's Farms June 28. Savage Station June 29. White Oak Swamp and Glendale June 30. Malvern Hill July 1. At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville August 16-28. In works at Centreville August 28-31, and cover Pope's retreat to Fairfax Court House September 1. Maryland Campaign September 6-22. Crampton's Pass, South Mountain, September 14. Battle of Antietam September 16-17. Duty in Maryland until October 29. Movement to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12-15. "Mud March" January 20-24, 1863. At Falmouth until April 27. Chancellorsville Campaign April 27-May 6. Operations about Franklin's Crossing April 29-May 2. Maryes Heights, Fredericksburg, May 3. Salem Heights May 3-4. Banks' Ford May 4. Three years men transferred to 49th Regiment New York Infantry May 14. Mustered out June 2, 1863, expiration of term.

Regiment lost during service 3 Officers and 44 Enlisted men killed and mortally wounded and 105 Enlisted men by disease. Total 152.

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