1st Michigan Volunteer Infantry Regiment

1st Michigan Volunteer Infantry Regiment
Unit name	1st Michigan Volunteer Infantry Regiment
Country	United States
Allegiance	Union
Branch	Infantry
Type	Volunteer military
Dates	May 1861 – June 1864
Size	Regiment
Notable commanders	Ira C. Copley; John C. Robinson; Amasa Cobb

1st Michigan Volunteer Infantry Regiment was an infantry regiment raised in Michigan for service in the American Civil War. Organized in Detroit and mustered into Federal service in May 1861, the regiment served in the Eastern Theater, participating in early war campaigns, major battles, and the Siege of Petersburg. It produced officers and enlisted men who later appeared in postwar politics, veterans' organizations, and state institutions.

Formation and Organization

Recruitment began in Detroit and other Michigan communities following President Abraham Lincoln's call for troops after the Attack on Fort Sumter. Men enlisted from counties including Wayne County, Washtenaw County, Lapeer County, Monroe County, and Genesee County. The regiment organized at Camp Butler style facilities and in local mustering fields under state authority of Austin Blair, then Governor of Michigan. Federal mustering officers representing the United States Department of War inspected the companies; arms were procured through the Frankford Arsenal and state quartermaster networks. Initial officers included captains and lieutenants commissioned under Michigan volunteer statutes; later promotions linked the regiment to broader command structures in the Army of the Potomac and corps staff elements such as the I Corps and V Corps attachments.

Service History

The regiment moved to the Eastern Theater, deploying to Washington, D.C. defenses before entering campaign operations around Alexandria and along lines near Bull Run (Manassas) environs. It served in brigade organizations under commanders associated with divisions commanded by figures from George B. McClellan's staff to later generals like Ambrose Burnside, Joseph Hooker, and George G. Meade. During the Peninsula Campaign, elements engaged in movements tied to coastal logistics via Fort Monroe and the James River. The regiment participated in the Maryland Campaign and the Gettysburg Campaign movements, in turn moving with corps elements during the Overland Campaign under Ulysses S. Grant's overall direction and later during the Siege of Petersburg. Detachments performed picket duty, railroad security along the Baltimore and Ohio Railroad, and garrison rotations in supply hubs like Fredericksburg and Harrison's Landing.

Major Engagements and Battles

The 1st Michigan fought at early actions associated with the First Battle of Bull Run campaign elements, later seeing combat at Second Battle of Bull Run, Battle of South Mountain, and the Antietam. At Fredericksburg the regiment was involved in river crossing operations and entrenchment, and it took part in Chancellorsville maneuvers. During the Gettysburg Campaign the regiment's brigade movements connected to decisions by corps commanders present at Gettysburg. In 1864 its companies saw heavy fighting in the Wilderness fights, the Spotsylvania, and assaults during the Overland Campaign. It later engaged in operations at Cold Harbor and performed sustained trench warfare in the Siege of Petersburg sector, including actions near Hatcher's Run and Five Forks approaches linked to final operations that contributed to the fall of Richmond.

Commanders and Leadership

Commanders and staff associated with the regiment included colonels and field officers who later connected to political and military networks such as Ira C. Copley and John C. Robinson. Other leaders had prior service records relating to Mexican–American War veterans and militia experience linked to Michigan Militia traditions. Brigade and divisional commanders who exercised operational control included figures like Israel B. Richardson, Winfield Scott Hancock, and John Sedgwick during various phases, with corps-level direction by generals including Daniel Sickles, Philip Sheridan, and William Tecumseh Sherman in adjacent theaters. Staff interactions connected the regiment to official institutions such as the Adjutant General of the Army, Quartermaster Department, and U.S. Sanitary Commission medical logistics.

Casualties and Honors

Casualty figures reflected heavy engagement during major battles; members were killed and wounded at Antietam, Gettysburg, and the Wilderness. Disease-related deaths mirror broader Civil War trends recorded by the National Archives and Records Administration collections; survivors received veteran benefits under Civil War pensions administered by the United States Pension Bureau. Individual soldiers received recognition through brevet promotions and mentions in official reports by commanders such as Meade and Grant. Postwar veterans joined organizations including the Grand Army of the Republic and participated in state commemorations at monuments and regimental reunions recorded in archives like the Library of Congress and the Michigan Historical Center.

Post-war Muster and Legacy

The regiment mustered out in mid-1864 with veterans and recruits transferred to other Michigan units or mustering out under Federal orders from the War Department. Veterans influenced Michigan politics and civic institutions such as the University of Michigan alumni networks, state militia reorganizations, and the erection of monuments on battlefields like Gettysburg National Military Park. Regimental records are preserved in repositories including the Bentley Historical Library, the National Archives, and collections of the Michigan Historical Commission. The 1st Michigan's legacy endures in scholarly works on the Army of the Potomac, period regimental histories, battlefield preservation efforts by groups like the Civil War Trust, and commemorative activities by descendant organizations such as the Sons of Union Veterans of the Civil War.

Category:Units and formations of the Union Army from Michigan Category:Military units and formations established in 1861 Category:Military units and formations disestablished in 1864