• Organized at Camp Wilkins, near Pittsburg, June and July, 1861.
• Ordered to Harrisburg, Pa., July 18, and mustered in July 21, 1861.
• Moved to Baltimore, Md., July 22; thence to Washington, D.C., July 24.
• Attached to 3rd Brigade, McCall’s Pennsylvania Reserves Division,
• Army of the Potomac, to March, 1862.
• 3rd Brigade, 2nd Division, 1st Army Corps, Army of the Potomac, to April, 1862.
• 3rd Brigade, McCall’s Division, Dept. of the Rappahannock, to June, 1862.
• 3rd Brigade, 3rd Division, 5th Army Corps, Army of the Potomac, to August, 1862.
• 3rd Brigade, 3rd Division, 3rd Corps, Army of Virginia, to September, 1862.
• 3rd Brigade, 3rd Division, 1st Army Corps, Army of the Potomac, to February, 1863.
• 3rd Brigade, Pennsylvania Reserves Division, 22nd Corps, Dept. of Washington, to June, 1863.
• 3rd Brigade, 3rd Division, 5th Army Corps, Army of the Potomac, to June, 1864

Source:. Dyer, Frederick H. A Compendium of the War of the Rebellion Compiled and Arranged from Official Records of the Federal and Confederate Armies, Reports of he Adjutant Generals of the Several States, the Army Registers, and Other Reliable Documents and Sources, Des Moines, Iowa: The Dyer Publishing Company, 1908