12th Illinois Infantry Regiment (3 Year)

12th Regiment Illinois Volunteer Infantry (3 Year) "The First Scotch"
Illinois flag
Active	August 1, 1861, to July 18, 1865
Country	United States
Allegiance	Union
Branch	Infantry
Engagements	Battle of Shiloh Battle of Corinth Battle of Resaca Battle of Atlanta Battle of Jonesboro March to the Sea Battle of Bentonville

Brig. General John McArthur of 12th Illinois Infantry Regiment in uniform, who was wounded at Shiloh, Tennessee

The 12th Regiment Illinois Volunteer Infantry, known as the "1st Scotch Regiment," was an infantry regiment that served in the Union Army during the American Civil War.

Service[]

The 12th Illinois Infantry was mustered into Federal service for a three-year enlistment on August 1, 1861, at Cairo, Illinois.

The regiment was mustered out on July 18, 1865, at Camp Butler National Cemetery Camp Butler, Illinois

Total strength and casualties[]

The regiment suffered 5 officers and 143 enlisted men killed in action or mortally wounded and 3 officers and 109 enlisted men who died of disease, for a total of 260 fatalities.^[1]

Commanders[]

• Colonel John McArthur – promoted to brigadier general on May 1, 1862.
• Colonel Augustus L. Chetlain – promoted to brigadier general on December 19, 1863.
• Lieutenant Colonel Henry Van Sellars – mustered out with the regiment.^[2]

See also[]

• List of Illinois Civil War Units
• Illinois in the American Civil War
• Sixty-fifth Illinois Volunteer Infantry: "The Second Scotch Regiment"

Notes[]

References[]

• The Civil War Archive