Pennsylvania Volunteer Infantry

Pennsylvania Volunteer Infantry
Unit name	Pennsylvania Volunteer Infantry
Caption	Civil War-era recruitment broadside
Dates	1861–1865
Country	United States
Allegiance	Union
Branch	United States Army
Type	Infantry
Size	Regiments, Battalions
Battles	First Battle of Bull Run, Battle of Fredericksburg, Battle of Gettysburg, Overland Campaign
Notable commanders	George G. Meade, Winfield Scott Hancock, Joshua Lawrence Chamberlain

Pennsylvania Volunteer Infantry was the collective designation for the volunteer infantry regiments raised in Pennsylvania to serve the Union during the American Civil War. These regiments supplied thousands of soldiers, participated in major campaigns from 1861 to 1865, and produced officers and enlisted men who later served in public life, veteran organizations, and state institutions. Their service intersected with key figures and battles that shaped the course of the conflict and postwar memory.

Formation and Organization

Recruitment drew on Philadelphia, Pittsburgh, Harrisburg, Erie, Lancaster, Reading, and other counties under direction from Pennsylvania Governor Andrew Gregg Curtin and federal authorities such as Abraham Lincoln and Simon Cameron. Regiments were mustered into United States Volunteers and assigned numerical designations (e.g., 1st through 200th regiments) or specialty titles like the Zouaves or militia battalions responding to calls after Fort Sumter. Officers were often appointed from state militia leaders, lawyers, businessmen, and elected by companies, connecting units to civic institutions like the Pennsylvania Railroad and Yale University alumni who volunteered. Mustering points included camps such as Camp Curtin, Camp Wilkins, and campgrounds adjacent to Gettysburg National Military Park supply lines.

Service in the American Civil War

Pennsylvania regiments served in major army organizations including the Army of the Potomac, Department of the Tennessee, and the Department of the Susquehanna. They fought under corps commanders like George G. Meade, Winfield Scott Hancock, and division leaders such as John Reynolds and Daniel Sickles. Engagements ranged from early actions at First Battle of Bull Run to the Peninsula Campaign, the Maryland Campaign, Chancellorsville Campaign, the Gettysburg Campaign, the Overland Campaign, and the Appomattox Campaign. Pennsylvania units also played roles in operations against Confederate commanders like Robert E. Lee, Stonewall Jackson, and J.E.B. Stuart and supported sieges involving Ulysses S. Grant and William T. Sherman in coordinated movements.

Regimental Structure and Equipment

Typical Pennsylvania infantry regiments conformed to United States Army organization with ten companies labeled A–K (skipping J), commanded by colonels, lieutenant colonels, and majors who coordinated with regimental adjutants and quartermasters. Enlisted ranks included corporals, sergeants, and privates drawn from urban and rural communities. Weapons supplied varied: many units were issued Springfield Model 1861 rifled muskets, some received Enfield rifled musket imports, and specialty companies used Sharps rifle carbines or edged arms. Uniforms reflected federal patterns but retained local distinctions via regimental flags, kepis, and in rarer cases, Zouave dress influenced by French colonial units. Logistics depended on wagon trains, railroads like the Baltimore and Ohio Railroad, and supply depots such as City Point, Virginia for sustained campaigns.

Notable Engagements and Campaigns

Pennsylvania regiments had prominent roles at the Battle of Antietam and Battle of Fredericksburg, where formations endured heavy casualties in assaults and river crossings. At Gettysburg, Pennsylvania units held critical positions on the Pennsylvania high ground, contested by Confederate assaults led by commanders including James Longstreet and Richard S. Ewell. During the Overland Campaign and the Siege of Petersburg, Pennsylvania regiments participated in trench warfare and assaults connected to decisions by Ulysses S. Grant and George G. Meade. Some units were detached for operations in the Western Theater supporting leaders like William T. Sherman during the Atlanta Campaign and the march through the Carolinas under Joseph E. Johnston pursuit operations.

Casualties and Muster Out

Casualty figures for Pennsylvania regiments reflected high attrition from combat, disease, and attrition common to Civil War armies. Notable regiments reported hundreds killed or mortally wounded at actions such as Fredericksburg and Gettysburg, while others faced losses during the Wilderness and Cold Harbor. Muster-out dates varied with three-year enlistments often concluding in 1864–1865, and short-term emergency regiments disbanding after local crises like the Gettysburg Campaign or the 1863 New York City draft riots repercussions. Veterans frequently transferred to veteran reserve corps or re-enlisted as veteran volunteers under incentives promoted by Edwin M. Stanton and state bounty systems.

Legacy and Commemoration

Postwar, Pennsylvania veterans formed posts of the Grand Army of the Republic and placed monuments across battlefields such as Gettysburg National Military Park and Antietam National Battlefield. Memorialization involved state commissions, veteran-led reunions, and publications by figures like David Craft and regimental historians who preserved letters and diaries now held by repositories including the Pennsylvania State Archives, Library of Congress, and local historical societies in Lancaster County and Allegheny County. Pennsylvania's wartime mobilization influenced later state militia reforms and commemoration through monuments, regimental flags displayed in state capitols, and annual observances on memorial grounds maintained by agencies like the National Park Service.

Category:Pennsylvania in the American Civil War