18th Regiment, Iowa Infantry

Brief History
This Unit was organized at Clinton and mustered in August 6, 1862. Ordered to Little Rock. They mustered out July 20, 1865.

For more information on the history of this unit, see:


 * The Civil War Archive section, 18th Regiment Infantry, (accessed 22 June 2012).


 * The Wikipedia article, 18th Iowa Volunteer Infantry Regiment, (accessed 22 June 2012)

Companies in this Regiment with the Counties of Origin
The Civil War Soldiers and Sailors database lists 1,515 men on its roster for this unit. Roster. This Unit listed as 'UIA0018RI'.

Men often enlisted in a company recruited in the counties where they lived though not always. After many battles, companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.

Company A - enrolled in Linn County,&amp;c.

Company B - enrolled in Clarke County

Company C - enrolled in Lucas County, etc.

Company D - enrolled in Keokuk County, Iowa County, Mahaska County, etc., etc. Company E - enrolled in Muscatine County, &amp;c.

Company F - enrolled in Wapello County and Appanoose County

Company G - enrolled in Marion County, &amp;c.

Company H - enrolled in Fayette County and Benton County

Company I - enrolled in Washington County and Polk County &amp;c.

Company K - enrolled in Muscatine County and Mahaska County

Information about the companies and their counties comes from Iowa. Adjutant General's Office, Report of the Adjutant General and Acting Quartermaster General of the State of Iowa, (Des Moines [Iowa]: F.W. Palmer, 1863), pages 651-681. .

Rosters are also listed in this book.

Other Sources

 * Beginning United States Civil War Research gives steps for finding information about a Civil War soldier. It covers the major records that should be used. Additional records are described in ‘Iowa in the Civil War’ and ‘United States Civil War, 1861 to 1865’ (see below).


 * National Park Service, The Civil War Soldiers and Sailors System, is searchable by soldier's name and state. It contains basic facts about soldiers on both sides of the Civil War, a list of regiments, descriptions of significant battles, sources of the information, and suggestions for where to find additional information.


 * Iowa in the Civil War describes many Confederate and Union sources, specifically for Iowa, and how to find them. These include compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.


 * United States Civil War, 1861 to 1865 describes and explains United States and Confederate States records, rather than state records, and how to find them. These include veterans’ censuses, compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.