Iowa Civil War Union Cavalry Units
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.
- 1st Regiment, Iowa Cavalry
Organized at Davenport August and September, 1861.
Mustered out February 15, 1866. Moved to Iowa February 19-March 12, and discharged March 16, 1866.
- 2nd Regiment, Iowa Cavalry
Organized in Iowa at large and mustered in at Council Bluffs, Ia., August 18, 1861.
Mustered out August 7, 1865.
- 3rd Regiment, Iowa Cavalry
Organized at Keokuk August 30 to September 14, 1861.
Mustered out August 9, 1865.
- 4th Regiment, Iowa Cavalry
Organized at Camp Harlan, Mount Pleasant, September to November, 1861. Companies muster in "A," "E" and "F" November 23, "B," "C," "D," "I," "K" and "M" November 25, "G" November 27, "L" December 24, and "H" January 1, 1862.
Mustered out at Atlanta August 10, 1865, and discharged at Davenport, Ia., August 24, 1865.
- 5th Regiment, Iowa Cavalry
Organized as Curtis Horse by order of General Fremont. Cos. "A," "B," "C" and "D" organized at Omaha, Neb., September 14 to November 13, 1861; "E" at Dubuque, Ia.; "F" in Missouri, as Fremont Hussars, October 25, 1861; "H" at Benton Barracks, Mo., December 28, 1861; "G," "I" and "K" as 1st, 2nd and 3rd Independent Companies, Minnesota Cavalry, at Fort Snelling, Minn., October 29 to December 20, 1861; "L" as Naughton's Irish Dragoons at Jefferson City, Mo., and "M" as Osage Rifles at St. Louis, Mo., November 1, 1861.
Mustered out August 11, 1865.
- 6th Regiment, Iowa Cavalry
Organized at Davenport January 31 to March 5, 1863.
Mustered out October 17, 1865
- 7th Regiment, Iowa Cavalry
Organized at Davenport April 27 to July 13, 1863, Companies "A" to "H." Company "I" organized as Sioux City Cavalry November 14, 1861, and three Companies organized for 41st Iowa Battalion assigned as Companies "K," "L" and "M."
Mustered out June 22, 1866.
- 8th Regiment, Iowa Cavalry
Organized at Davenport September 30, 1863.
Mustered out August 13, 1865.
- 9th Regiment, Iowa Infantry
Organized at Dubuque and mustered in September 24, 1861.
Mustered out July 18, 1865.
- Sioux City Iowa Cavalry
"Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.