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State Archives

The office of Adjutant General was created by legislation on January 4, 1839 and is responsible for the administration, organization, equipping, and training of Iowa military forces. While the Governor is commander-in-chief of all Iowa military forces except when they are placed in federal service, the Adjutant General serves as the chief-of-staff to the commander-in-chief and is responsible for the administration, organization, equipping, and training of Iowa military forces. 

The State Archives has in its holdings the militia and National Guard records of the Adjutant General from the territorial period through 1950, including the military records of Iowa regiments mustered into U.S. service during the Mexican War, the Civil War and the Spanish-American War. These records not only document Iowa's involvement in these wars, they also contain limited information on the military service of individual soldiers. In 1965, the Iowa Adjutant General became the executive director of the newly created Department of Public Defense which combined military and civil defense functions in the state. Records created after 1965 by the Adjutant General are filed with RG 70 Public Defense.

Some or all of these records are available to search in the Iowa History Collections Catalog.

Militia
MilitiaDate Span
Correspondence, Spirit Lake Massacre1857-1865
Letter Books, Militia and Quartermaster General, Copies1864-1865
Letter Books, Militia, Copies1863-1865
Militia Reports1855-1876
Oaths of Office, Militia1861-1865
Register of Militia Captainsc. 1865
Registers of Militia Commissions1863-1872
Registers of Militia Companies and Officers1847-c.1866
Roster Books of Militia1862-1864
Roster Books of Militia Officers1871-1879
Mexican War
Mexican WarDate Span
General Correspondence, Mexican War1883-1916
Muster Rolls, Mexican War1847-1848
Civil War
Civil WarDate Span
Brigade Reports, Civil War Battles and Campaigns1862-1865
Civil War Soldiers Buried in Iowa1862-1868
Clothing Books1861-1866
Consolidated Morning Reports, Civil War1861-1866
Correspondence, Civil War1861-1917
Correspondence, Disloyal Sentiment1861-1866
General Correspondence, Civil War1861-1917
General Orders1861-1867
Hospital Reports, Civil War1861-1865
Iowa Soldiers Buried in National Cemeteries (Civil War Survey)c. 1865
Letter Books, Copies1861-1872
Medical Exemptions from Military Duty1862-1865
Military Reports, Civil War1861-1867
Oaths of Office, Civil War1861-1865
Personal Effects and Final Statement Inventories1861-1865
Recruiting Reports1862-1864
Roster Books, Civil War1861-1865
Sanitary Agents Reports, Civil War1861-1865
Soldiers Furnished by County and/or Congressional District, Civil War1861-1865
Special Orders1861-1889
Volunteer Enlistments1862-1865
Spanish-American War
Spanish-American WarDate Span
Claims, Spanish-American War1898-1899
Correspondence, Spanish-American War1897-1900
General Correspondence, Spanish-American War1898-1917
General Orders, Spanish-American War1898-1899
Hospital Reports, Spanish-American War1899
Military Reports, Spanish-American War1898-1901
Muster Rolls, Spanish-American War1898-1899
Roster Books, Spanish-American War1898-1899
Special Orders, Spanish-American War1898-1899
Iowa National Guard
Iowa National GuardDate Span
Inventories, Iowa National Guard1878-1911
Military Personnel Files, Iowa National Guardc. 1876 - c.1951
Military Reports, Iowa National Guardc. 1876-1917
Miscellaneous Correspondence, Iowa National Guard1876-1910
Miscellaneous Reports, Iowa National Guardc.1900-1921
Miscellaneous, Iowa National Guard1876-1916, 1921
Oaths of Office, Iowa National Guard1878-1911
Register of Company Captains, Iowa National Guard1878-1879
Register of Iowa National Guard Commissions1881-1897
Requisitions, Iowa National Guard1874-1917
Roster Books, Iowa National Guard1882-1905
Roster of Officers, Civil War1861-1862
Special Orders Record Book, Iowa National Guard1892-1900
Other Records
Other RecordsDate Span
County Auditors Returns of Ex-Servicemen1885
Disaster Relief in Northwest Iowa1872-1876
Flags, Military1861-1907
Iowa Soldiers Buried in National Cemeteries, 1908 Survey1908
Persons Subject to Military Duty1862-1915
Records of Military Commissions Issued1861-1868, 1898-1899