Indiana in the American Civil War

Overview

Indiana played a significant role in the American Civil War as a Union state, contributing large numbers of troops and resources to the war effort. The state’s population generally supported the Union cause, and Indiana’s government acted quickly to mobilize volunteers following the outbreak of hostilities in 1861. Indiana’s regiments served in many major campaigns and battles across the Western and Eastern Theaters, and the state’s industries and railroads provided important logistical support to the Union Army.

Although Indiana was not the site of major battles, its proximity to the Ohio River and border with Kentucky made it strategically important. The state experienced some Confederate raids and threats along its southern border, but its primary contribution was through manpower and material support.

Background

Prior to the Civil War, Indiana’s political climate was marked by strong Unionist sentiment, though there were divisions over issues such as slavery and states’ rights. The state’s governor at the outbreak of the war, Oliver P. Morton, was a staunch supporter of the Union and played a key role in organizing Indiana’s war effort. Indiana’s location bordering Kentucky, a slave state, heightened concerns about security and influenced recruitment and mobilization policies. The state responded rapidly to President Lincoln’s call for volunteers, with local communities organizing companies and regiments for federal service.

Military Contributions

Indiana furnished a substantial number of regiments to the Union Army, including infantry, cavalry, and artillery units. The exact number of regiments varies by source, but official records indicate that Indiana raised over 120 infantry regiments, several cavalry regiments, and multiple batteries of light artillery. Indiana troops served in major campaigns such as Shiloh, Chickamauga, Atlanta, and the March to the Sea, and were present in both the Western and Eastern Theaters. The state’s soldiers were organized into various brigades and divisions, often serving alongside units from other Midwestern states.

Regiments Raised in Indiana

Select a regiment below to view a summary and links to related battles and rosters.

• 6th Indiana Infantry Regiment in the American Civil War
• 6th Indiana Infantry Reorganized Regiment in the American Civil War
• 7th Indiana Infantry Regiment in the American Civil War
• 8th Indiana Infantry Regiment in the American Civil War
• 9th Indiana Infantry Regiment in the American Civil War
• 10th Indiana Infantry Regiment in the American Civil War
• 11th Indiana Infantry Regiment in the American Civil War
• 12th Indiana Infantry Regiment in the American Civil War
• 13th Indiana Infantry Regiment in the American Civil War
• 14th Indiana Infantry Regiment in the American Civil War
• 15th Indiana Infantry Regiment in the American Civil War
• 16th Indiana Infantry Regiment in the American Civil War
• 17th Indiana Infantry Regiment in the American Civil War
• 18th Indiana Infantry Regiment in the American Civil War
• 19th Indiana Infantry Regiment in the American Civil War
• 20th Indiana Infantry Regiment in the American Civil War
• 21st Indiana Infantry Regiment / 1st Indiana Heavy Artillery in the American Civil War
• 21st Indiana Infantry Regiment / 1st Indiana Heavy Artillery in the American Civil War
• 22nd Indiana Infantry Regiment in the American Civil War
• 23rd Indiana Infantry Regiment in the American Civil War
• 24th Indiana Infantry Regiment in the American Civil War
• 25th Indiana Infantry Regiment in the American Civil War
• 26th Indiana Infantry Regiment in the American Civil War
• 27th Indiana Infantry Regiment in the American Civil War
• 28th Indiana Infantry Regiment / 1st Indiana Cavalry in the American Civil War
• 28th Indiana Infantry Regiment / 1st Indiana Cavalry in the American Civil War
• 29th Indiana Infantry in the American Civil War
• 30th Indiana Infantry in the American Civil War
• 31st Indiana Infantry in the American Civil War
• 32nd Indiana Infantry in the American Civil War
• 33rd Indiana Infantry in the American Civil War
• 34th Indiana Infantry in the American Civil War
• 35th Indiana Infantry in the American Civil War
• 36th Indiana Infantry in the American Civil War
• 37th Indiana Infantry in the American Civil War
• 38th Indiana Infantry in the American Civil War
• 39th Indiana Regiment / 8th Indiana Cavalry in the American Civil War
• 39th Indiana Regiment / 8th Indiana Cavalry in the American Civil War
• 40th Indiana Infantry in the American Civil War
• 41st Indiana Regiment / 2nd Indiana Cavalry in the American Civil War
• 41st Indiana Regiment / 2nd Indiana Cavalry in the American Civil War
• 42nd Indiana Infantry in the American Civil War
• 43rd Indiana Infantry in the American Civil War
• 44th Indiana Infantry in the American Civil War
• 45th Indiana Regiment / 3rd Indiana Cavalry in the American Civil War
• 45th Indiana Regiment / 3rd Indiana Cavalry in the American Civil War
• 46th Indiana Infantry in the American Civil War
• 47th Indiana Infantry in the American Civil War
• 48th Indiana Infantry in the American Civil War
• 49th Indiana Infantry in the American Civil War
• 50th Indiana Infantry in the American Civil War
• 51st Indiana Infantry in the American Civil War
• 52nd Indiana Infantry in the American Civil War
• 53rd Indiana Infantry in the American Civil War
• 54th Indiana Infantry (3 Months Service) in the American Civil War
• 54th Indiana Infantry (1 Year Service) in the American Civil War
• 55th Indiana Infantry in the American Civil War
• 56th Indiana Infantry in the American Civil War
• 57th Indiana Infantry in the American Civil War
• 58th Indiana Infantry in the American Civil War
• 59th Indiana Infantry in the American Civil War
• 60th Indiana Infantry in the American Civil War
• 61st Indiana Infantry in the American Civil War
• 62nd Indiana Infantry in the American Civil War
• 63rd Indiana Infantry in the American Civil War
• 64th Indiana Regiment in the American Civil War
• 65th Indiana Infantry in the American Civil War
• 66th Indiana Infantry in the American Civil War
• 67th Indiana Infantry in the American Civil War
• 68th Indiana Infantry in the American Civil War
• 69th Indiana Infantry in the American Civil War
• 70th Indiana Infantry in the American Civil War
• 71st Indiana Regiment / 6th Indiana Cavalry in the American Civil War
• 71st Indiana Regiment / 6th Indiana Cavalry in the American Civil War
• 72nd Indiana Infantry in the American Civil War
• 73rd Indiana Infantry in the American Civil War
• 74th Indiana Infantry in the American Civil War
• 75th Indiana Infantry in the American Civil War
• 76th Indiana Infantry in the American Civil War
• 77th Indiana Regiment / 4th Indiana Cavalry in the American Civil War
• 77th Indiana Regiment / 4th Indiana Cavalry in the American Civil War
• 78th Indiana Infantry in the American Civil War
• 79th Indiana Infantry in the American Civil War
• 80th Indiana Infantry in the American Civil War
• 81st Indiana Infantry in the American Civil War
• 82nd Indiana Infantry in the American Civil War
• 83rd Indiana Infantry in the American Civil War
• 84th Indiana Infantry in the American Civil War
• 85th Indiana Infantry in the American Civil War
• 86th Indiana Infantry in the American Civil War
• 87th Indiana Infantry in the American Civil War
• 88th Indiana Infantry in the American Civil War
• 89th Indiana Infantry in the American Civil War
• 90th Indiana Regiment / 5th Indiana Cavalry in the American Civil War
• 90th Indiana Regiment / 5th Indiana Cavalry in the American Civil War
• 91st Indiana Infantry in the American Civil War
• 92nd Indiana Infantry in the American Civil War
• 93rd Indiana Infantry in the American Civil War
• 94th Indiana Infantry in the American Civil War
• 95th Indiana Infantry in the American Civil War
• 96th Indiana Infantry in the American Civil War
• 97th Indiana Infantry in the American Civil War
• 98th Indiana Infantry in the American Civil War
• 99th Indiana Infantry in the American Civil War
• 100th Indiana Infantry in the American Civil War
• 101st Indiana Infantry in the American Civil War
• 102nd Indiana Infantry in the American Civil War
• 103rd Indiana Infantry in the American Civil War
• 104th Indiana Infantry in the American Civil War
• 105th Indiana Infantry in the American Civil War
• 106th Indiana Infantry in the American Civil War
• 107th Indiana Infantry in the American Civil War
• 107th Indiana Infantry Battalion in the American Civil War
• 108th Indiana Infantry in the American Civil War
• 109th Indiana Infantry in the American Civil War
• 110th Indiana Infantry in the American Civil War
• 111th Indiana Infantry in the American Civil War
• 112th Indiana Infantry in the American Civil War
• 113th Indiana Infantry in the American Civil War
• 114th Indiana Infantry in the American Civil War
• 115th Indiana Infantry in the American Civil War
• 116th Indiana Infantry in the American Civil War
• 117th Indiana Infantry in the American Civil War
• 118th Indiana Infantry in the American Civil War
• 119th Indiana Regiment / 7th Indiana Cavalry in the American Civil War
• 119th Indiana Regiment / 7th Indiana Cavalry in the American Civil War
• 120th Indiana Infantry in the American Civil War
• 121st Indiana Regiment / 9th Indiana Cavalry in the American Civil War
• 121st Indiana Regiment / 9th Indiana Cavalry in the American Civil War
• 122nd Indiana Infantry in the American Civil War
• 123rd Indiana Infantry in the American Civil War
• 124th Indiana Infantry in the American Civil War
• 125th Indiana Regiment / 10th Indiana Cavalry in the American Civil War
• 125th Indiana Regiment / 10th Indiana Cavalry in the American Civil War
• 126th Indiana Regiment / 11th Indiana Cavalry in the American Civil War
• 126th Indiana Regiment / 11th Indiana Cavalry in the American Civil War
• 127th Indiana Regiment / 12th Indiana Cavalry in the American Civil War
• 127th Indiana Regiment / 12th Indiana Cavalry in the American Civil War
• 128th Indiana Infantry in the American Civil War
• 129th Indiana Infantry in the American Civil War
• 130th Indiana Infantry in the American Civil War
• 131st Indiana Regiment / 13th Indiana Cavalry in the American Civil War
• 131st Indiana Regiment / 13th Indiana Cavalry in the American Civil War
• 132nd Indiana Infantry in the American Civil War
• 133rd Indiana Infantry in the American Civil War
• 134th Indiana Infantry in the American Civil War
• 135th Indiana Infantry in the American Civil War
• 136th Indiana Infantry in the American Civil War
• 137th Indiana Infantry in the American Civil War
• 138th Indiana Infantry in the American Civil War
• 139th Indiana Infantry in the American Civil War
• 140th Indiana Infantry in the American Civil War
• 142nd Indiana Infantry in the American Civil War
• 143rd Indiana Infantry in the American Civil War
• 144th Indiana Infantry in the American Civil War
• 145th Indiana Infantry in the American Civil War
• 146th Indiana Infantry in the American Civil War
• 147th Indiana Infantry in the American Civil War
• 148th Indiana Infantry in the American Civil War
• 149th Indiana Infantry in the American Civil War
• 150th Indiana Infantry in the American Civil War
• 151st Indiana Infantry in the American Civil War
• 152nd Indiana Infantry in the American Civil War
• 153rd Indiana Infantry in the American Civil War
• 154th Indiana Infantry in the American Civil War
• 155th Indiana Infantry in the American Civil War
• 156th Indiana Battalion in the American Civil War
• Independent Indiana Cavalry Company in the American Civil War
• 1st Indiana Light Battery in the American Civil War
• 2nd Indiana Light Battery in the American Civil War
• 3rd Indiana Light Battery in the American Civil War
• 4th Indiana Light Battery in the American Civil War
• 5th Indiana Light Battery in the American Civil War
• 6th Indiana Light Battery in the American Civil War
• 7th Indiana Light Battery in the American Civil War
• 8th Indiana Light Battery in the American Civil War
• 9th Indiana Light Battery in the American Civil War
• 10th Indiana Light Battery in the American Civil War
• 11th Indiana Light Battery in the American Civil War
• 12th Indiana Light Battery in the American Civil War
• 13th Indiana Light Battery in the American Civil War
• 14th Indiana Light Battery in the American Civil War
• 15th Indiana Light Battery in the American Civil War
• 16th Indiana Light Battery in the American Civil War
• 17th Indiana Light Battery in the American Civil War
• 18th Indiana Light Battery in the American Civil War
• 19th Indiana Light Battery in the American Civil War
• 20th Indiana Light Battery in the American Civil War
• 21st Indiana Light Battery in the American Civil War
• 22nd Indiana Light Battery in the American Civil War
• 23rd Indiana Light Battery in the American Civil War
• 24th Indiana Light Battery in the American Civil War
• 25th Indiana Light Battery in the American Civil War
• 26th Indiana Light Battery in the American Civil War
• Indiana Legion in the American Civil War

Battles & Campaigns

• Morgan’s Raid (IN, 1863)

Some engagements associated with Indiana remain unclear in surviving primary sources.

Notable Commanders from Indiana

• Major General Lew Wallace – Commanded Union forces at the Battle of Monocacy and served in the Western Theater.
• Brigadier General Mahlon D. Manson – Led Indiana regiments in several major engagements.
• Brigadier General Jefferson C. Davis – Served in the Western Theater and participated in the Atlanta Campaign.

Official Records References

• Official Records, Series I, Volumes VII, X, XVI, XXIII, and others, reports involving troops from Indiana.
• Adjutant General’s Report of Indiana.
• Dyer’s “Compendium of the War of the Rebellion.”