Iowa Civil War Union Units 31st through 48th
The information in this list of Iowa Military Units comes from the Civil War Soldiers and Sailors web site (CWSS). This web site can also be searched by the name of a soldier.
Units 31st through 35th
- 31st Regiment, Iowa Infantry
Organized at Davenport and mustered in October 13, 1862.
Mustered out June 27, 1865.
- 32nd Regiment, Iowa Infantry
Organized at Dubuque and mustered in October 6, 1862.
Mustered out August 24, 1865.
- 33rd Regiment, Iowa Infantry
Organized at Oskaloosa and mustered in October 4, 1862.
Mustered out July 17, 1865, and discharged at Rock Island, Ill., August 7, 1865.
- 34th Regiment, Iowa Infantry
Organized at Burlington and mustered in October 15, 1862.
Mustered out August 15, 1865.
- 35th Regiment, Iowa Infantry
Organized at Muscatine and mustered in September 18, 1862.
Mustered out August 10, 1865.
Units 36th through 40th
- 36th Regiment, Iowa Infantry
Organized at Keokuk and mustered in October 4, 1862.
Mustered out August 24, 1865.
- 37th Regiment, Iowa Infantry "The Greybeard Regiment"
Organized at Muscatine and mustered in December 15, 1862.
Mustered out May 24, 1865.
- 38th Regiment, Iowa Infantry
Organized at Dubuque and mustered in December 4, 1862.
Consolidated with 34th Iowa Infantry December 12, 1864.
- 39th Regiment, Iowa Infantry
Organized at Des Moines and Davenport and mustered in November 24, 1862.
Mustered out August 2, 1865.
- 40th Regiment, Iowa Infantry
Organized at Iowa City and mustered in November 15, 1862.
Mustered out June 5, 1865.
Units 41st through 45th
- 41st Battalion, Iowa Infantry
Originally organized at Companies "A," "B," "C," 14th Iowa Infantry, October, 1861. Detached by order of General Fremont, and march from Davenport, via Des Moines, Council Bluffs and Sioux City, to Fort Randall, Dakota Territory, arriving December 5, 1861, and on special duty at that point till April, 1863. Permanently detached from 14th Iowa Infantry September 18, 1862, and designated 41st Iowa Battalion Infantry.
Transferred to 7th Iowa Cavalry as Companies "K," "L" and "M."
- 42nd Regiment, Iowa Infantry
Failed to complete organization.
- 43rd Regiment, Iowa Infantry
Failed to complete organization.
- 44th Regiment, Iowa Infantry (100 days, 1864)
Organized at Davenport June 1, 1864.
Mustered out September 15, 1864.
- 45th Regiment, Iowa Infantry (100 days, 1864)
Organized at Keokuk May 25, 1864. Moved to St. Louis, Mo., thence to Memphis and Moscow, Tenn., and assigned to duty guarding Memphis & Charleston Railroad till September, 1864.
Mustered out September 16, 1864.
Units 46th through 48th
- 46th Regiment, Iowa Infantry (100 days, 1864)
Organized at Davenport June 10, 1864.
Mustered out September 23, 1864.
- 47th Regiment, Iowa Infantry (100 days, 1864)
Organized at Davenport July 13, 1864. Ordered to Helena, Ark., and duty there and in District of Eastern Arkansas, 7th Army Corps, Dept. of Arkansas, to September. Ordered to Davenport, Iowa, September 1.
Mustered out September 28, 1864.
- 48th Regiment, Iowa Infantry (100 days, 1864)
"Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.