The 27th Iowa Infantry was organized under the proclamation of President Lincoln dated July 2, 1862 at Dubuque, Iowa and mustered in for three years of Federal service on October 3, 1862. The Regiment was in the Army's newly formed Department of the Northwest commanded Major General John Pope at Fort Snelling. The regiment was first ordered to Mille Lacs, Minnesota to oversee distribution of payments and annuities to the Indians. Following this action they spent most of the war fighting in the west except for the time it was ordered to Virginia where it participated in Gettysburg. The 27th continued service in Louisiana and Mississippi and ended the war with the Siege of Mobile. Battle casualties in the regiment were relatively light, but the 27th lost 20% of their men to disease.

The Iowa 14th Infantry Regiment was mustered into by Captain Alexander Chambers, U. S. A., as follows: Companies A, B and C, at Iowa City, Iowa, Oct. 23-25, 1861; Companies D to K inclusive, at Davenport, Iowa, Nov. 2-6, 1861. The 14th fought throughout the war in the west beginning with Curtis' advance on Springfield, Mo., January 23-February 12, 1862 and participated in most of the major battles. They were active in the battles about Chattanooga, and the Atlanta Campaign. The 14th was mustered out of service at Davenport, Iowa, Nov. 16, 1864 prior to Sherman's March to the Sea. The re-enlisted men and recruits, whose terms of service had not expired, were consolidated into two companies and designated as the "Residuary Battalion of the Fourteenth Iowa Infantry." The battalion was sent to Springfield, Ill., and was there engaged in various duties, but was not again sent to the front. These companies were retained in the service of the Government until Aug. 8, 1865, on which date they were mustered out at Davenport, Iowa. Company A - enrolled in Scott County Company B Company C Company D - enrolled in Henry County, Lee County, Van Buren County &c. Company E - enrolled in Jasper County &c. Company F - enrolled in Henry County Company G - enrolled in Tama County Company H - enrolled in Jones County Company I - enrolled in Henry County Company K - enrolled in Des Moines County

The Iowa 9th Infantry Regiment was organized in July and Aug., 1861, and was mustered in at Dubuque Sept. 24. A few days later the regiment proceeded to Benton barracks, St. Louis, and remained until the middle of October, when it was assigned to railroad guard duty from Franklin to Rolla, in which it remained until Jan. 22, 1862. It then joined the Army of the Southwest, and was assigned to the 2nd brigade, 4th division, Col. E. A. Carr commanding. The 9th Iowa participated in most all the major battles in the West from Vicksburg, to Chattanooga, the Atlanta Campaign, the March to the Sea and the Carolinas Campaign. From the time it started from Dubuque, three years and 10 months from the date of its final muster out, the 9th Iowa Infantry marched over 4,000 miles, and travelled by rail and steamboat 6,000 miles. As an organization the 9t Iohwa Infantry has a record of service unsurpassed by that of any regiment which the State sent to the field during the great War of the Rebellion. Total enrolment was 1,440. The Regiment lost during service 12 Officers and 142 Enlisted men killed and mortally wounded and 2 Officers and 230 Enlisted men by disease. Total 386. Companies of the Iowa 9th Infantry Regiment: Company A - enrolled in Jackson County Company B - enrolled in Jones County Company C - enrolled in Dubuque County Company D - enrolled in Jones County Company E - enrolled in Clayton County Company F - enrolled in Fayette County Company G - enrolled in Black Hawk County, Bremer County &c. Company H - enrolled in Winneshiek County Company I - enrolled in Howard County Company K - enrolled in Linn County

The Iowa 13th Infantry regiment was organized in the summer and fall of 1861 and was mustered in between Oct. 18 and Nov. 2, by companies. On March 8 1862 it left for Pittsburg landing, where it was assigned to the 1st brigade, 1st division, Gen. McClernand commanding. It fought with the Army of Tennessee beginning with Shiloh where it lost 24 killed and 139 wounded. It participated all the major battles, ending with Bentonville, NC in 1865.The 13th lost during service 5 Officers and 114 Enlisted men killed and mortally wounded and 4 Officers and 205 Enlisted men by disease. Total 328.-Company A - Linn County-Company B - Jasper County-Company C - Lucas County-Company D - Keokuk County-Company E - Scott County, Story County, Polk County and Jasper County-Company F - Linn County-Company G - Benton County-Company H - Marshall County; also many men from Monroe County-Company I - Washington County, Powesheik County and Iowa County-Company K - Washington County