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

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 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.