Iowa Civil War Regiments

1st REGIMENT CAVALRY. - Org. at Davenport, Ia., Aug.-Sept., 1861. Oct., 1861, Fremont's Army West and Dept. Mo. March, 2862, Dist. Central Mo., Dept. Mo. Oct., 1862, 2 Brig., 3 Div., Army Frontier, Dept. Mo. Nov., 1862, 1 Brig., 3 Div., Army Frontier. June, 1863, 2 Brig., 1 Cav. Div., Army Southeast Mo. Aug., 1863, 2 Brig., Davidson's 1st Cav. Div., Ark. Exp. Jany., 1864, 3 Brig., 1 Cav. Div., 7 Corps, Dept. Ark. Sept., 1864, 2 Brig., Cav. Div., 7 Corps, Dept. Ark. (Veterans in Dept. Mo. June to Dec., 1864.) Feby., 1865, 1 Brig., Cav. Div., 7 Corps. Feby., 1865, 2 Brig., Cav. Div., Dist. West Tenn. June, 1865, Dept. Gulf. Aug., 1865, Dept. Texas. Mustered out Feby. 15, 1866.

2nd REGIMENT CAVALRY. - Org. at Davenport, Ia., Aug.-Sept., 1861. Dec., 1861, Dept. Mo. March, 1862, Unass'd, Army Miss. April, 1862, 2 Brig., Cav. Div., Army Miss. June, 1862, Cav., 5 Div., Army Miss. Sept., 2862, 2 Brig., Cav. Div., Army Miss. Nov., 1862, Grierson's Cav. Brig., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 1 Brig., Cav. Div., 16 Corps, Tenn. March, 1863 (Dist. Memphis, Tenn., 16 Corps. Jany. to March, 1863, 6 Co.'s.), 1 Brig., 1 Cav. Div., 16 Corps. May, 1863, 2 Brig., 1 Cav. Div., 16 Corps. Aug., 1863, 3 Brig., 1 Cav. Div., Div. 16 Corps. Dec., 1863, 2 Brig., 1 Cav. Div., 16 Corps. July, 1864, 2 Brig., 1 Cav. Div., Dist. West Tenn. Nov. 1864, 2 Brig., 5 Div., Cav. Corps, Mil. Div. Miss. June, 1865, Dept. Miss. Mustered out Sept. 19, 1865.

3rd REGIMENT CAVALRY. - Org. at Keokuk, Ia., Aug. 30-Sept. 14, 1861. Nov., 1861, Benton Barracks, Mo. Feby., 1862, Curtis' Army Southwest Mo., Dept. Mo. May, 1862, 3 Brig., 1 Div., Army Southwest Mo. July, 1862, Dist. East. Ark., Dept. Mo. Oct., 1862, 3 Brig, 4 Div., Dist. East. Ark. Dec., 1862, 2 Brig., Cav. Div., Dist. East. Ark., Dept. Tenn. Jany., 1863, 2 Brig., 2 Cav. Div., 13 Corps, Dept. Tenn. April, 1863, 2 Brig., Cav. Div., Dist. East. Ark., Dept. Tenn. June, 1863, Bussy's Cav. Brig., Herron's Div., 13 Corps, Tenn. Aug., 1863, Reserve Cav. Brig., Army Ark. Jany., 1864, 1 Brig., 1 Div., 7 Corps, Dept. Ark. May, 1864, 3 Brig., 1 Div., 7 Corps, Ark. (detachment), 2 Brig., 1 Cav. Div., 16 Corps, Tenn. (Veterans.) June, 1864, 2 Brig., Cav. Div., Sturgis' Exp. (Veterans.) June, 1864, 2 Brig., 2 Cav. Div., Dist. West Tenn. (Veterans.) Sept., 1864, 2 Brig., Cav. Div., 7 Corps, Ark. (detachment). Nov., 1864, 1 Brig., 4 Div., Wilson's Cav. Corps, Mil. Div. Miss. Dec., 1864, 2 Brig., Cav. Div., Dist. West Tenn. (detachment). Feby., 1865, 1 Brig., 4 Div., Cav. Corps, Mil. Div. Miss. (regiment). June, 1865, Dist. Georgia. Mustered out Aug. 9, 1865. Companies E, F, G and H served detached, Dec., 1861, to Aug., 1863. Dec., 1861, Unatt., Dept. Mo. Feby., 1862, Dist. North Mo., Dept. Mo. Aug., 1862, Dist Southwest Mo., Dept. Mo. Nov., 1862, Cav. Brig., Dist. Southeast, Mo. June, 1863, Reserve Cav. Brig, Army Southeast Mo. Aug., 1863, Reserve Brig., 1 Cav. Div., Ark. Exp. Re- joined Regiment at Little Rock, Ark., Oct. 1, 1863.

4th REGIMENT CAVALRY. - Org. at Camp Harlan, Mr. Pleasant, la., Nov. 23, 1861, to Jany. 1, 1862. March, 1862, Unatt., Army Southwest Mo., Dept. Mo. May, 1862, 2 Div., Army Southwest Mo. July, 1862, Dist. East. Ark., Dept. Mo. Dec., 1862, 2 Brig., 1 Cav. Div., Dist. East. Ark., Dept. Tenn. Jany., 1863, 2 Brig., 2 Cav. Div., 13 Corps, Tenn. May, 1863, Unatt., 15 Corps, <dy_141> Tenn. Aug., 1863, Winslow's Cav. Brig., 15 Corps. Dec., 1863, Winslow's Cav. Brig., 17 Corps. April, 1864, 2 Brig., 1 Cav. Div., 16 Corps. July, 1864, 2 Brig., 2 Div. Cav. Corps, Dist. West Tenn. Nov., 1864, 1 Brig., 4 Div., Cav. Corps. Mil. Div. Miss. Dec., 1864, 2 Brig., Cav. Div., Dist. West Tenn. Feby., 1865, 1 Brig., 4 Div., Cav. Corps, Mil. Div. Miss. June, 1865, Dept. Georgia. Mustered out Aug. 10, 1865.

5th REGIMENT CAVALRY. -  Org. at Curtis' Horse by order Gen. Fremont, by consolidation of Companies from Iowa, Minnesota, Nebraska and Missouri, Oct. to Dec., 1861. Nov., i861, Benton Barracks, Mo., Dept. Mo. Feby., 1862, Garrison Forts Henry and Heiman and Don-elson, Tenn. Dist. Columbus, Ky. Nov., 1862, Dist. Columbus, Ky., 13 Corps, Dept. Tenn. Dec., 1862, Dist. Columbus, Ky., 16 Corps. June, 1863, 1 Brig., 2 Div., Cav. Corps, Army Cumb'd. Aug., 1863, 3 Brig., 2 Div., Cav. Corps, Cumb'd. Nov., 1863, 1 Brig., 2 Div., Cav. Corps, Cumb'd. April, 1864, 1 Brig., 3 Div., Cav. Corps, Cumb'd. Nov., 1864, 2 Brig., 6 Div., Cav. Corps, Mil. Div. Miss. Dec., 1864, 1 Brig., 6 Div., Cav. Corps, M.D. M. Dec., 1864, 2 Brig., 6 Div., M. D. M. Feby., 1865, 2 Brig., 4 Div., Cav. Corps, M. D.M. Mustered out Aug. 11, 1865.

6th REGIMENT CAVALRY. - Org. at Davenport, Ia., Jany. 31 to March 5, 1863. Service in Dist. of the Plains, Mustered out Oct. 17, 1865.

7th REGIMENT CAVALRY. - Org. at Davenport, Ia., April 27-July 13, 1863. Service in Dist. of the Plains. Mustered out June 22, 1866.

8th REGIMENT CAVALRY. - Org. at Davenport, Ia., Sept. 30, 1863. Nov., 1863, Def. Nashville and Northwestern R. R., Dept. Cumb'd. March, 1864, 1 Brig., 1 Div., Cav. Corps, Cumb'd. Nov., 1864, 1 Brig., 1 Div., Wilson's Cav. Corps, Mil. Div. Miss. June, 1865, Dept. Georgia. Mustered out Aug. 13, 1865.

9th REGIMENT CAVALRY. - Org. at Davenport, Ia., Nov. 30, 1863. Dec., 1863, Dist. St. Louis, Mo., Dept. Mo. April, 1864, 3 (Cav.) Brig., 2 Div., 7 Corps, Dept. Ark. Sept., 1864. 3 Brig., Cav. Div., 7 Corps, Dept. Ark. Feby., 1865, Cav. Brig., Post Little Rock, Ark., 1 Div., 7 Corps. Aug., 1865, Dept. Ark. Mustered out March 23, 1866.

1st INDEPENDENT BATTERY LIGHT ARTILLERY. Org. at Burlington, Ia., Aug. 17, 1861. Dec., 1861, 1 Brig., Dist. Southwest Mo., Dept.. Mo. Feby., 1862, 1 Brig., 4 Div., Army Southwest Mo. May, 1862, Arty., 2 Div., Army Southwest Mo. July, 1862, Dist. East. Ark., Dept. Mo. Dec., 1862, 3 Brig., 11 Div., Right Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, Arty., 1 Div., 15 Corps, Tenn. April, 1864, Arty., 4 Div., 15 Corps. Sept., 1864, Arty., 1 Div., 15 Corps. Nov., 1864, Arty. Reserve, Nashville, Tenn., Dept. Cumb'd. Mustered out July 5, 1865.

2nd INDEPENDENT BATTERY LIGHT ARTILLERY. - Org. in laws at large, and mustered in at Council Bluffs, Ia., Aug. 18, 1861. Oct., 1861, Dist. St. Louis, Mo., Dept. Mo. March, 1862, Arty. Div., Army Miss. April, 1862, Arty., 3 Div., Army Miss. April, 1862, Arty.,. 2 Div., Army Miss. Oct., 1862, Arty., Dist. Corinth, Miss. Nov., 1862, Arty., 2 Brig., 8 Div., 13 Corps, Dept. Tenn. Dec., 1862, Arty., 2 Brig., 8 Div., 16 Corps. April, 1863, Arty., 3 Div., 15 Corps. Dec., 1863, Arty., 1 Div., 16 Corps. Dec., 1864, Arty., 2 Brig., 1 Div., Detachment Army Tenn., Dept. Cumb'd. Feby, 1865, Arty., 1 Div., 16 Corps, Mil. Div. West Miss. March, 1865, Arty. Brig., 16 Cores. Mustered out Aug. 7, 1865.

3rd INDEPENDENT BATTERY LIGHT ARTILLERY. - Org. at Dubuque, Ia., Sept. 24, 1861. Oct., 1861, Dept. Mo. Jany., 1862, Unatt., Army Southwest Mo., Dept. Mo. Feby., 1862, 2 Brig., 4 Div., Army Southwest Mo. May, 1862, Arty., 2 Div., Army Southwest Mo. July, 1862, Arty., Dist. East. Ark., Dept. Mo., and Dept. Tenn. Jany., 1863, Arty., 13 Div., 13 Corps, Dept. Tenn. July, 1863, Arty., 13 Div., 16, Corps. Aug., 1863, Arty., 3 Div., Ark. Exp. Jany., 1864, Arty., 3 Div., 7 Corps, Dept. Ark. May, 1864, Arty., 1 Div., 7 Corps, Dept. Ark. Aug., 1865, Dept. Ark. Mustered out Oct. 23, 1865.

4th INDEPENDENT BATTERY LIGHT ARTILLERY. - Org. at Davenport, Ia., Nov. 23, 1863. Attached to Dept. Northwest to Feby., 1864. Def. New Orleans, La., Dept. Gulf, to June, 1864. Dist. LaFourche, Dept. Gulf, to July, 1865. Mustered out July 14, 1865.

1st REGIMENT INFANTRY, 3 MONTHS. - Org. at Keokuk, Ia., May 14, 1861. June, 1861, Lyon's Army of the West. Mustered out Aug. 21, 1861.

1st REGIMENT COLORED INFANTRY. - Org. at Keokuk, Ia., and St. Louis, Mo., Oct. 11 to Dec. 4, 1863. Dec., 1863, Dist. East. Ark., Dept. Ark. Jany., 1864, Dist. East. Ark., 7 Corps, Dept. Ark. Designation changed to 60th U. S.C. T. March 11, 1864, which see.

2nd REGIMENT INFANTRY. - Org. at Keokuk, Ia., May 27, 1861. June, 1861, Dept. Mo. Oct., 1861, 3 Brig., Dist. Cairo. Oct., 1861, Dist. St. Louis, Mo., Dept. Mo. Feby., 1862, 4 Brig., 2 Div., Dist. Cairo. Feby., 1862, 1 Brig., 2 Div., Dist. West Tenn. and Army Tenn. July, 1862, 1 Brig., 2 Div., Dist. Corinth, Miss. Sept., 1862, 3 Brig., 2 Div., Dist. Corinth. Oct., 1862, 2 Brig., 2 Div., Dist. Corinth. Nov., 1862, 1 Brig., 2 Div., Dist. Corinth, Miss., 13 Corps, Dept. Tenn. Dec., 1862, 1 Brig., Dist. Corinth, 17 Corps. Jany., 1863, 1 Brig., Dist. Corinth, 16 Corps. March, 1863, 1 Brig., 2 Div., 16 Corps. Sept., 1864, 1 Brig., 4 Div., 15 Corps. Mustered out July 12, 1865.

3rd REGIMENT INFANTRY. - Org. at Keokuk, Ia., June 8, 1861. July, 1861, Dept. Mo. March, 1862, 1 Brig., 4 Div., Army Tenn. July, 1862, 1 Brig., 4 Div., Dist. Memphis, Tenn. Sept., 1862, 1 Brig., 4 Div., Dist. Jackson, Tenn. Nov., 1862, 1 Brig., 4 Div., Right Wing 13 Corps, Dept. Tenn. Dec., 1862, 1 Brig., 4 Div., 17 Corps. Jany., 1863, 1 Brig., 4 Div., 16 Corps. July, 1863, 1 Brig., 4 Div., 13 Corps. Aug., 1863, 1 Brig., 4 Div., 17 Corps. March, 1864 (1 Brig., Prov'l Div., 17 Corps, Gulf, non-veterans), 1 Brig., 4 Div., 17 Corps (veterans). Veterans consolidated to a Battalion of 3 Co.'s, July, 1864, and transferred to 2nd Iowa Infy. as Co.'s A, F and I, Nov. 4, 1864.

4th REGIMENT INFANTRY. - Org. at Council Bluffs, Ia., Aug. 8, 1861. Aug., 1861, Dept. Mo. Dec., 1861, 1 Brig., Army Southwest Mo., Dept. Mo. Feby., 1862, 1 Brig., 4 Div., Army Southwest Mo., Dept. Mo. May, 1862, 2 Div., Army Southwest Mo. July, 1862, Dist. East. Ark., Dept. Mo. Nov., 1862, 2 Brig., 2 Div., Dist. East. Ark. Dec., 1862, 3 Brig., 11 Div., Right Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 3 Brig., 1 Div., 15 Corps, Tenn. Sept., 1863, 2 Brig., 1 Div., 15 Corps. Sept., 1864, 3 Brig., 1 Div., 15 Corps. Mustered out July 24, 1865.

5th REGIMENT INFANTRY. - Org. at Burlington, Ia., July 15, 1861. Aug., 1861, Fremont's Army West and Dept. Mo. March, 1862, 1 Brig., 2 Div., Army Miss. April, 1862, 2 Brig., 3 Div., Army Miss. April, 1862, 1 Brig., 3 Div., Army Miss. Nov., 1862, 3 Brig., 7 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 7 Div., 16 Corps. Jany., 1863, 3 Brig., 7 Div., 17 Corps. Sept., 1863, 3 Brig., 2 Div., 17 Corps. Dec., 1863, 3 Brig., 3 Div., 15 Corps. Consolidated with 5th Iowa Cavalry Sept. l, 1864.

6th REGIMENT INFANTRY. - Org. at Burlington, Ia., July 17, 1861.* Aug., 1861, Dept. Mo. March, 1862, 1 Brig., 5 Div., Army Tenn. May, 1862, 2 Brig., 5 Div., Army Tenn. July, 1862, 2 Brig, 5 Div., Dist. Memphis, Tenn. Nov., 1862, 2 Brig., 5 Div., Dist. Memphis, Tenn., 13 Corps, Dept. Tenn. Nov., 1862, 1 Brig., 1 Div., Dist. Memphis, Tenn., 13 Corps. Dec., 1862, 1 Brig., 1 Div., 17 Corps. Jany., 1863, 1 Brig., 1 Div., 16 Corps. March, 1863, 2 Brig., 1 Div., 16 Corps. May, 1863, 4 Brig., 1 Div., 16 Corps. July, 1863, 4 Brig., 4 Div., 15 Corps. Sept., 1863, 2 Brig., 4 Div., 15 Corps. Sept., 1864, 2 Brig., 1 Div., 15 Corps. Mustered out July 21, 1865.

7th REGIMENT INFANTRY. -  Org. at Burlington, Ia., July 24 to Aug. 4, 1861. Sept., 1861, Dist. Cairo. Feby., 1862, 4 Brig., 2 Div., Dist. Cairo. Feby., 1862, 1 Brig., 2 Div., Dist. West Tenn. and Army Tenn. July, 1862, 1 Brig., 2 Div., Dist. Corinth, Miss. Sept., 1862, 3 Brig., 2 Div., Dist. Corinth. Oct., 1862, 2 Brig., 2 Div., Dist. Corinth. Nov., 1862, 1 Brig., Dist. Corinth, 13 Corps. Dept. Tenn. Dec., 1862, 1 Brig., Dist. Corinth, 17 Corps. Jany., 1863, 1 Brig., Dist. Corinth, 16 Corps. March, 186§, 1 Brig., 2 Div., 16 Corps. Sept., 1864, 1 Brig., 4 Div., 15 Corps. Mustered out July 12, 1865. <dy_142>

8th REGIMENT INFANTRY. - Org. at Davenport, Ia., Aug.-Sept., 1861. Oct., 1861, Dept. Mo. March, 1862, 3 Brig., 2nd Div., Army Tenn. April, 1862, 1 Brig., 2 Div., Army Tenn. July, 1862, 1 Brig., 2 Div., Dist. Corinth, Miss. Nov., 1862, 1 Brig., Dist. Corinth, 13 Corps, Dept. Tenn. Dec., 1862, Davenport, Ia. Jany., 1863, Dist. St. Louis, Mo., Dept. Mo. April, 1863, 3 Brig., 3 Div., 15 Corps, Tenn. Dec., 1863, 3 Brig., 1 Div., 16 Corps. June, 1864, Unass'd, Memphis, Tenn., Dist. West Tenn. Feby., 1865, 3 Brig., 3 Div., 16 Corps, Mil. Div. West Miss. Aug., 1865, Dist. Ala. Mustered out April 20, 1866.

9th REGIMENT INFANTRY. - Org. at Dubuque, Ia., Sept. 24, 1861. Oct., 1861, Dept. Mo. Jany., 1862, Un-att., Army Southwest Mo., Dept. Mo. Feby., 1862, 2 Brig., 4 Div., Army Southwest Mo. July, 1862, Dist. East. Ark., Dept. Mo. Dec., 1862, 3 Brig., 1 Div., Dist. East. Ark., Dept. Tenn. Dec., 1862, 3 Brig., 11 Div., Right Wing, 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 3 Brig., 1 Div., 15 Corps. Sept., 1863, 2 Brig., 1 Div., 15 Corps. Sept., 1864, 3 Brig., 1 Div., 15 Corps. Mustered out July 18, 1865.

10th REGIMENT INFANTRY. - Org. at Iowa City and Montezuma, Ia., Sept. 6 to Oct. 26, 1861. Oct., 1861, Dist. Cairo. Oct., 1861, 5 Brig., Dist. Cairo. Feby., 1862, 4 Brig., 1 Div., Dist. Cairo. Feby., 1862, 2 Brig., 2 Div., Army Miss. April, 1862, 2 Brig., 3 Div., Army Miss. April, 1862, 1 Brig., 3 Div., Army Miss. May, 1862, 2 Brig:, 3 Div., Army Miss. Nov., 1862, 3 Brig., 7 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 7 Div., 16 Corps. Jany., 1863, 3 Brig, 7 Div., 17 Corps. Sept., 1863, 3 Brig., 2 Div., 17 Corps. Dec., 1863, 3 Brig., 3 Div., 15 Corps. Aug., 1864, 2 Brig., 3 Div., 15 Corps. April, 1865, 1 Brig., 2 Div., 15 Corps. Mustered out Aug. 15, 1865.

11th REGIMENT INFANTRY. - Org. at Davenport, Ia., Sept. 28 to Oct. 18, 1861. Nov., 1861, Dept. Mo. March, 1862, 1 Brig., 1 Div., Army Tenn. April, 1862, 3 Brig., 6 Div., Army Tenn. July, 1862, 3 Brig., 6 Div., Dist. Corinth, Miss. Nov., 1862, 3 Brig., 6 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 6 Div., 16 Corps. Jany., 1863, 3 Brig., 6 Div., 17 Corps. Sept., 1863, 3 Brig., 1 Div., 17 Corps. April, 1864, 3 Brig., 4 Div., 17 Corps. Mustered out July 15, 1865.

12th REGIMENT INFANTRY. - Org. at Dubuque, Ia., Nov. 25, 1861. Dec., 1861, Dist. Cairo. Feby., 1862, 1 Brig., 2 Div., Dist. West Tenn. and Army Tenn. July, 1862, 1 Brig., 2 Div., Dist. Corinth, Miss. Nov., 1862, 1 Brig., Dist. Corinth, 13 Corps, Dept. Tenn. Dec., 1862, Davenport, Ia. Jany., 1863, Dist. St. Louis, Mo., Dept. Mo. April, 1863, 3 Brig., 3 Div., 15 Corps, Tenn. Dec., 1863, 3 Brig., 1 Div., 16 Corps. Dec., 1864, 3 Brig., 1 Div., Detachment Army Tenn., Dept. Cumb'd. Feby., 1865, 3 Brig., 1 Div., 16 Corps, Mil. Div. West Miss. Aug., 1865, Dist., Ala. Mustered out Jany. 20, 1866.

13th REGIMENT INFANTRY. - Org. at Davenport, Ia., Oct. 18 to Nov. 2, 1861. Nov., 1861, Dept. Mo. Feby., 1862, 1 Brig., 1 Div., Army Tenn. April, 1862, 3 Brig., 6 Div., Army Tenn. July, 1862, 3 Brig., 6 Div., Dist. Corinth, Miss. Nov., 1862, 3 Brig., 6 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 6 Div., 16 Corps. Jany., 1863, 3 Brig., 6 Div., 17 Corps. Sept., 1863, 3 Brig., 1 Div., 17 Corps. April, 1864, 3 Brig., 4 Div., 17 Corps. Mustered out July 21, 1865.

14th REGIMENT INFANTRY. - Org. at Davenport, Ia., Nov. 6, 1861. Dec., 1861, Dept. Mo. Feby., 1862, 4 Brig., 2 Div., Dist. Cairo. Feby., 1862, 1 Brig., 2 Div., Dist. West Tenn. and Army Tenn. July, 1862, Union Brig., 2 Div., Dist. Corinth, Miss. Nov., 1862, 1 Brig., 2 Div., Dist. Corinth, 13 Corps, Dept. Tenn. Dec., 1862, Davenport, Ia. Jany., 1863, Dist. St. Louis, Mo., Dept. Mo. April, 1863, Cairo, Ill., Dist. Columbus, Ky., 6 Div., 16 Corps, Tenn. Jany.. 1864, 2 Brig., 3 Div., 16 Corps, Tenn. Nov., 1864, Springfield, Ill. Old members mustered out Nov. 2, 1864. Veterans and Recruits, Aug. 8, 1865.

15th REGIMENT INFANTRY. - Org. at Keokuk, Ia., Feby. 22, 1862. March, 1862, 3 Brig., 6 Div., Army Tenn. July, 1862, 3 Brig., 6 Div., Dist. Corinth, Miss. Nov., 1862, 3 Brig., 6 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 6 Div., 16 Corps. Jany., 1863, 3 Brig., 6 Div., 17 Corps. Sept., 1863, 3 Brig., 1 Div,, 17 Corps. April, 1864, 3 Brig., 4 Div., 17 Corps. Mustered out July 1865.

16th REGIMENT INFANTRY. -  Org. in Iowa At large, Dec. 10, 1861, to March, 1862. April, 1862, 2 Brig., 6 Div., Army Tenn. April, 1862, 3 Brig., 6 Div., Army Tenn. July, 1862, 3 Brig., 6 Div., Dist. Corinth, Miss. Nov., 1862, 3 Brig., 6 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 3 Brig., 6 Div., 16 Corps. Jany., 1863, 3 Brig., 6 Div., 17 Corps. Sept., 1863, 3 Brig., 1 Div., 17 Corps. April, 1864, 3 Brig., 4 Div., 17 Corps. Mustered out July 19, 1865.

17th REGIMENT INFANTRY. - Org. at Keokuk, Ia., March 21-April 16, 1862. April, 1862, Dept. Mo. May, 1862, 2 Brig., 3 Div., Army Miss. Nov., 1862, 2 Brig., 7 Div., Left Wing 13 Corps, Dept. Tenn. Dec., 1862, 2 Brig., 7 Div., 16 Corps. Jany., 1863, 2 Brig., 7 Div., 17 Corps. Sept., 1863, 2 Brig., 2 Div., 17 Corps. Dec., 1863, 2 Brig., 3 Div., 15 Corps. April, 1865, 3 Brig., 2 Div., 15 Corps. Mustered out July 25, 1865.

18th REGIMENT INFANTRY. - Org. at Clinton, Ia., Aug. 6, 1862. Aug., 1862, Dist. Southwest Mo., Dept. Mo. Oct., 1862, 1 Brig., 2 Div., Army Frontier, Dept. Mo. June, 1863, Dist. Southwest Mo., Dept. Mo. Oct., 1863, Dist. Frontier, Dept. Mo. Dec., 1863, 2 Brig., Dist. Frontier, Dept. Mo. Jany., 1864, 2 Brig., Dist. Frontier, 7 Corps, Dept. Ark. March, 1864, 1 Brig., Dist. Frontier, 7 Corps. Jany., 1865, 1 Brig., 3 Div., 7 Corps. Mustered out July 20, 1865.

19th REGIMENT INFANTRY. - Org. at Keokuk, lA., Aug. 25, 1862. Sept., 1862, Dist. Southwest Mo., Dept. Mo. Oct., 1862, 2 Brig., 3 Div., Army Frontier, Dept. Mo. June, 1863, 2 Brig., Herron's Div., 13 Corps, Dept. Tenn. July, 1863, 2 Brig., 2 Div., 13 Corps. Aug., 1863, 2 Brig., 2 Div., 13 Corps, Dept. Gulf. June, 1864, U.S. Forces, Texas. Aug., 1864, Dist. West Florida, Dept. Gulf. Dec., 1864, Dist. Southern Ala., Dept. Gulf. Feby., 1865, 1 Brig., 2 Div., 13 Corps, Mil. Div. West Miss. Mustered out July 10, 1865.

20th REGIMENT INFANTRY. - Org. Clinton, Ia., Aug. 25, 1962. Sept., 1862, Dist. Southwest Mo., Dept. Mo. Oct., 1862, 2 Brig., 2 Div., Army Frontier, Dept. Mo. June, 1863, 1 Brig., Herron's Div., 13 Corps, Dept. Tenn. July, 1863, 1 Brig., 2 Div., 13 Corps. Aug., 1863, 1 Brig., 2 Div., 13 Corps, Gulf. Oct., 1863, 2 Brig., 2 Div., 13 Corps, Gulf. Jany., 1864, 2 Brig., 4 Div., 13 Corps. Feby., 1864, 2 Brig., 2 Div., 13 Corps. June, 1864, 1 Brig., U. S. Forces, Texas. Aug., 1864, U.S. Forces, Mobile Bay. Sept., 1864, 1 Brig., 3 Div., 19 Corps, Gulf. Dec., 4 Brig., Reserve Corps, Mil. Div. West Miss. Feby., 1865, 3 Brig., 2 Div., Reserve Corps, M.D. W. M. Feby., 1865, 3 Brig., 2 Div., 13 Corps. Mustered out July 8, 1865.

21st REGIMENT INFANTRY. - Org. at Dubuque, Ia., Aug., 1862. Sept., 1862, Dist. St. Louis and Rolla, Mo., Dept. Mo. Oct., 1862, Warren's Brig., Dist. Southeast Mo., Dept. Mo. Jany., 1863, 2 Brig., 2 Div., Army Southeast Mo., Dept. Mo. March, 1863, 2 Brig., 14 Div., 13 Corps, Dept. Tenn. July, 1863, 2 Brig., 1 Div., 13 Corps. Aug., 1863, 2 Brig., 1 Div., 13 Corps, Gulf. March, 1864, 1 Brig., 1 Div., 13 Corps. June, 1864, Dist. LaFourche, Dept. Gulf. Aug., 1864, 2 Brig., 2 Div., 19 Corps, Gulf. Dec., 1864, 1 Brig., Reserve Corps, Mil. Div. West Miss. Feby., 1865, 1 Brig., 1 Div., Reserve Corps, M.D. W. M. Feby., 1865, 1 Brig., 1 Div., 13 Corps. Mustered out July 15, 1865.

22nd REGIMENT INFANTRY. - Org. at Iowa City, Ia., Sept. 9, 1862. Oct., 1862, Dist. St. Louis and Rolla, Mo. Feby., 1863, 2 Brig., 2 Div., Army Southeast Mo., Dept. Mo. March, 1863, 2 Brig., 14 Div., 13 Corps, Tenn. Jury, 1863, 2 Brig., 1 Div., 13 Corps. Aug., 1863, 2 Brig., 1 Div., 13 Corps, Gulf. March, 1864, 1 Brig., 1 Div., 13 Corps, Gulf. June, 1864, Def. New Orleans, La. Aug., 1864, 2 Brig., 2 Div., 19 Corps, Gulf. July, 1864, 2 Brig., 2 Div., 19 Corps, Army Shenandoah, Middle Mil. Div. Jany., 1865, 2 Brig., Grover's Div., Dist. Savannah, Ga., Dept. South. March, 1865, 1 Brig., 1 Div., 10 Corps, Dept. North Carolina. April, 1865, Dist. Savannah, Ga., Dept. South. Mustered out July 25, 1865.

23rd REGIMENT INFANTRY. - Org. at Des Moines, Ia., Sept. 19, 1862. Sept., 1862, Dept. Mo. Feby., 1863, 2 Brig., 2 Div., Army Southeast Mo., Dept, Mo. March, 1863, <dy_143> 2 Brig., 14 Div., 13 Corps, Tenn. July, 1863, 2 Brig., 1 Div., 13 Corps. Aug., 1863, 2 Brig., 1 Div., 13 Corps, Gulf. March, 1864, 1 Brig., 1 Div., 13 Corps, Gulf. June, 1864, 1 Brig;, 3 Div., 19 Corps, Gulf. Dec., 1864, 4 Brig., Reserve Corps, Mil. Div. West Miss. Feby., 1865, 1 Brig., 2 Div., Reserve Corps, M.D. W.M. Feby., 1865, 1 Brig., 2 Div., 13 Corps, M.D. W. M. Mustered out July 26, 1865.

24th REGIMENT INFANTRY. - Org. at Muscantine, Ia., Sept. 18, 1862. Nov., 1862, Dist. East. Ark., Dept. Mo. Dec., 1862. 3 Brig., 1 Div., Dist. East Ark., Dept. Tenn. Dec., 1862, 2 Brig., 2 Div., Dist. East. Ark., Dept. Tenn. Jany., 1863, 2 Brig., 13 Div., 13 Corps, Tenn. Feby., 1863, 2 Brig., 12 Div., 13 Corps. July, 1863, 2 Brig., 3 Div., 13 Corps. Aug., 1863, 2 Brig., 3 Div., 13 Corps, Gulf. June, 1864, Dist. LaFourche, La., Gulf. July, 1864, 3 Brig., 2 Div., 19 Corps, Army Shenandoah, Middle Mil. Div. Aug., 1864, 4 Brig., 2 Div., 19 Corps. Dec., 1864, 3 Brig., 2 Div., 19 Corps. Jany., 1865, 3 Brig., Grover's Div., Dist. Savannah, Ga., Dept. South. March, 1865, 1 Brig., 1 Div., 10 Corps, Dept. North Carolina. April, 1865, Dist. Savannah, Ga., Dept. South. Mustered out July 17, 1865.

25th REGIMENT INFANTRY. - Org. at Mount Pleasant, Ia., Sept. 27, 1862. Oct., 1862, Dist. East. Ark., Dept. Mo. Dec., 1862, 3 Brig., 1 Div., Dist. East. Ark., Dept. Tenn. Dec., 1862, 2 Brig., 11 Div., Right Wing 13 Corps, Dept. Tenn. Dec., 1862, 2 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 2 Brig., 1 Div., 15 Corps, Tenn. Dec., 1863, 3 Brig., 1 Div., 15 Corps. April, 1864, 2 Brig., 1 Div., 15 Corps. Sept., 1864, 3 Brig., 1 Div., 15 Corps. Mustered out June 6, 1865.

26th REGIMENT INFANTRY. - Org. at Clinton, Ia., Sept. 30, 1862. Oct., 1862, Dist. East. Ark., Dept. Mo. Dec., 1862, 2 Brig., 1 Div., Dist. East. Ark., Dept. Tenn. Dec., 1862, 3 Brig., 11 Div., Right Wing 13 Corps, Tenn. Dec., 1862, 3 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 3 Brig., 1 Div., 15 Corps, Tenn. Sept., 1863, 2 Brig., 1 Div., 15 Corps. Dec., 1863, 1 Brig., 1 Div., 15 Corps. April, 1865, 3 Brig., 1 Div., 15 corps. Mustered out June 6, 1865.

27th REGIMENT INFANTRY. - Org. at Dubuque, Ia., Oct. 3, 1862. Oct., 1862, Dept. Northwest. Nov., 1862, Dist. Memphis, Right Wing 13 Corps, Tenn. Dec., 1862, Dist. Jackson, Tenn., 16 Corps, Tenn. March, 1863, 3 Brig., 3 Div., 16 Corps. Aug., 1863, True's Brig., Ark. Exp. Nov., 1863, Gilbert's Brig., Dist. Memphis, Tenn., 5 Div., 16 Corps. Jany., 1864, 2 Brig., 3 Div., 16 Corps. Dec., 1864, 2 Brig., 2 Div., Detachment Army Tenn., Dept. Cumb'd. Feby, 1865, 2 Brig, 2 Div., 16 Corps, Mil. Div. West Miss. Mustered out Aug. 8, 1865.

28th REGIMENT INFANTRY. - Org. at Iowa City, Ia., Oct. 10, 1862. Nov., 1862, 2 Brig., 1 Div., Dist. East. Ark., Dept. Mo. Dec., 1862, 2 Brig., 2 Div., Dist. East-Ark., Dept. Tenn. Jany., 1863, 2 Brig., 12 Div., 13 Corps, Tenn. July, 1863, 2 Brig., 3 Div., 13 Corps. Aug., 1863, 2 Brig., 3 Div., 13 Corps, Gulf. June, 1864, Dist. La-Fourche, Dept. Gulf. July, 1864, 3 Brig., 2 Div., 19 Corps, Gulf, and Army Shenandoah, Middle Mil. Div. Aug., 1864, 4 Brig., 2 Div., 19 Corps. Dec., 1864, 2 Brig., 2 Div., 19 Corps. Jany., 1865, 2 Brig., Grover's Div., Dist. Savannah, Ga., Dept. South. March, 1865, 1 Brig., 1 Div., 10 Corps, Dept. North Carolina. April, 1865, Dist. Savannah, Ga., Dept. South. Mustered out July 31, 1865.

29th REGIMENT INFANTRY. - Org. at Camp Dodge, Council Bluffs, Ia., Dec. 1, 1862. Dec., 1862, Dist. St. Louis, Mo., Dept. Mo. Jany., 1863, 2 Brig., 13 Div., 13 Corps, Tenn. July, 1863, 2 Brig.. 13 Div., 16 Corps. Aug., 1863, 2 Brig., 3 Div., Ark. Exp. Jany., 1864, 2 Brig., 3 Div., 7 Corps, Dept. Ark. March, 1864, 1 Brig., 3 Div., 7 Corps. May, 1864, 1 Brig., 1 Div., 7 Corps. Nov., 1864, 2 Brig., 2 Div., 7 Corps. Feby., 1865, 2 Brig., 3 Div., Reserve Corps, Mil. Div. West Miss. Feby., 1865, 2 Brig., 3 Div., 13Corps. July, 1865, Dept. Texas. Mustered out Aug. 10, 1865.

30th REGIMENT INFANTRY. - Org. at Keokuk, Ia., Sept. 20, 1862. Oct., 1862, Dist. East. Ark., Dept. Mo. Dec., 1862, 2 Brig., 1 Div., Dist. East. Ark., Dept. Tenn. Dec., 1862, 3 Brig., 11 Div., Right Wing 13 Corps, Dept. Tenn. Dec., 1864, 3 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 3 Brig., 1 Div., 15 Corps. Sept., 1863, 2 Brig., 1 Div., 15 Corps. Dec., 1863, 1 Brig., 1 Div., 15 Corps. Sept., 1864, 3 Brig., 1 Div., 15 Corps. Mustered out June 5, 1865.

31st REGIMENT INFANTRY. - Org. at Davenport, Ia., Oct. 13, 1862. Dec., 1862, 3 Brig., 1 Div., Dist. East. Ark., Dept. Tenn. Dec., 1862, 2 Brig., 11 Div., Right Wing 13 Corps, Tenn. Dec., 1862, 2 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 2 Brig., 1 Div., 15 Corps, Tenn. Sept., 1864, 3 Brig., 1 Div., 15 Corps. Mustered out June 27, 1865.

32nd REGIMENT INFANTRY. - Org. at Dubuque, Ia., Oct. 6, 1862. Nov., 1862, Dept. Mo. Dec., 1862, Dist. Columbus, Ky., 6 Div., 16 Corps, Dept. Tenn. Jany., 1864, 2 Brig., 3 Div.. 16 Corps. Dec., 1864, 2 Brig., 2 Div., Detach. Army Tenn., Dept. Cumb'd. Feby., 1865, 2 Brig., 2 Div., 16 Corps, Mil. Div. West Miss. Co.'s A, D, F, G, detached from Regiment Nov., 1862, to Jany., 1864. Nov., 1862, Dist. Southeast Mo., Dept. Mo. July, 1863, Reserve Cav. Brig., Army Southeast Mo., Dept. Mo. Aug., 1863, Reserve Cav. Brig., 1 Cav. Div., Dist. Southeast Mo. Aug., 1863, Reserve Brig., 1 Cav. Div., Ark. Exp. Dec., 1863, 1 Brig., 1 Cav. Div., Army Ark. Regiment mustered out Aug. 24, 1865.

33rd REGIMENT INFANTRY. - Org. at Oskaloosa, Ia., Oct., 4, 1862. Nov., 1862, Dept. Mo. Jany., 1863, 1 Brig., 13 Div., 13 Corps, Tenn. July, 1863, 2 Brig., 13 Div., 16 Corps, Dist. East. Ark. Aug., 1863, 2 Brig., 3 Div., Ark, Exp. Jany., 1864, 2 Brig., 3 Div., 7 Corps, Dept. Ark. March, 1864, 1 Brig., 3 Div., 7 Corps. May, 1864, 1 Brig., 1 Div., 7 Corps. Feby., 1865, 3 Brig., 3 Div., Reserve Corps, Mil. Div. West Miss. Feby., 1865, 3 Brig., 3 Div., 13 Corps. Mustered out July 17, 1865. 34th REGIMENT INFANTRY. - Org. at Burlington, Ia., Oct. 15, 1862. Dec., 1862, 2 Brig., 1 Div., Dist. East. Ark., Dept. Tenn. Dec., 1862, 3 Brig., 11 Div., Right Wing 13 Corps, Tenn. Dec., 1864, 3 Brig., 4 Div., Sherman's Yazoo Exp. Jany., 1863, 3 Brig., 1 Div., 15 Corps, Tenn. April, 1863, Dist. St. Louis, Mo., Dept. Mo. Garrison, Pilot Knob, Mo. June, 1863, 1 Brig., Herron's Div., 13 Corps, Tenn. July, 1863, 1 Brig., 2 Div., 13 Corps. Aug., 1863, 1 Brig., 2 Div., 13 Corps, Gulf. Dec., 1863, 3 Brig., 2 Div., 13 Corps. Jany., 1864, 2 Brig., 4 Div., 13 Corps. March, 1864, 2 Brig., 1 Div., 13 Corps. April, 1864, 2 Brig., 4 Div., 13 Corps. June, 1864, Def. New Orleans. Aug., 1864, 2 Brig., 3 Div., 19 Corps, Gulf. Dec., 1864, 3 Brig., Reserve Corps, Mil. Div. West Miss. Feby., 1865, 3 Brig., 2 Div., Reserve Corps, M.D. W.M. Feby., 1865, 3 Brig., 2 Div., 13 Corps, M.D. W. M. Mustered out Aug. 15, 1865.

35th REGIMENT INFANTRY. - Org. at Muscatine, Ia., Sept. 18. 1862. Nov., 1862, Dist. Columbus, Ky., 13 Corps, Dept. Tenn. Dec., 1862, Dist. Columbus, Ky., 16 Corps. March, 1863, Dist. Columbus, Ky., 6 Div., 16 Corps. April, 1863, 3 Brig., 3 Div., 15 Corps. Dec., 1863, 3 Brig., 1 Div., 16 Corps. Dec., 1864, 3 Brig., 1 Div., Detach. Army Tenn., Dept. Cumb'd. Feby., 1865, 3 Brig., 1 Div., 16 Corps, Mil. Div. West Miss. Mustered out Aug. 10, 1865.

36th REGIMENT INFANTRY. - Org. at Keokuk, Ia., Oct. 4, 1862. Jany., 1863, 1 Brig., 13 Div., 13 Corps, Tenn. Feby., 1863, 2 Brig., 13 Div., 13 Corps. July, 1863, 2 Brig., 13 Div., 16 Corps, Dist. East. Ark. Aug., 1863, 1 Brig., 13 Div., 16 Corps. Aug., 1863, 1 Brig., 3 Div., Ark. Exp. Jany., 1864, 1 Brig., 3 Div., 7 Corps, Dept. Ark. March, 1864, 2 Brig., 3 Div., 7 Corps. May, 1864, 2 Brig., 1 Div., 7 Corps. Feby., 1865, 1 Brig., 1 Div., 7 Corps. March, 1865, 1 Brig., 2 Div., 7 Corps. Mustered out Aug. 24, 1865.

37th REGIMENT INFANTRY. - Org. at Muscatine, Ia., Dec. 15, 1862. Jany., 1863, Dist. St. Louis, Mo., Dept. Mo., July, 1863, Alton, Ill. Jany., 1864, Rock Island, Ill. June, 1864, Memphis, Tenn., Dist. West Tenn. Aug., 1864, Indianapolis, Ind., Cincinnati, Columbus and Gallipolis, Ohio. Mustered out May 24, 1865.

38th REGIMENT INFANTRY. - Org. at Dubuque, Ia., Dec. 4, 1862. Dec., 1862, Dist. Columbus, Ky., 16 Corps, Tenn. June, 1863, 1 Brig., Herron's Div., 13 Corps, Tenn. July, 1863, 1 Brig., 2 Div., 13 Corps. Aug., 1863, 1 Brig., 2 Div., 13 Corps, Gulf. June, 1864, 1 Brig., U.S. Forces, Texas. <dy_144> Aug., 1864, U.S. Forces, Mobile Bay. Oct., 1864, Dist. LaFourche, Dept. Gulf. Consolidated with 34th iowa Infantry, Dec. 12, 1864.

39th REGIMENT INFANTRY. - Org. at Des Moines and Davenport, Ia., Nov. 24, 1862. Dec., 1862, 3 Brig., Dist. Corinth, 17 Corps. Jany., 1863, 3 Brig., Dist. Corinth, 16 Corps. March, 1863, 3 Brig., 2 Div., 16 Corps. Sept., 1864, 3 Brig., 4 Div., 15 Corps. Mustered out Aug. 2, 1865.

40th REGIMENT INFANTRY. - Org. at Iowa City, Ia., Nov. 15, 1862. Dec., 1862, Dist. Columbus, Ky., 16 Corps, Tenn. June, 1863, 3 Brig., Kimball's Prov'l Div., 16 Corps. July, 1863, 3 Brig., Prov'l Div., Dist. East. Ark. Aug., 1863, 2 Brig., 2 Div., Ark. Exp. Jany., 1864, 2 Brig., 2 Div., 7 Corps. Dept. Ark. March, 1864, 3 Brig., 3 Div., 7 Corps. May, 1864, 2 Brig., 1 Div.. 7 Corps. Feby., 1865, 1 Brig., 1 Div., 7 Corps. Feby., 1865, 1 Brig., 3 Div., 7 Corps. Mustered Out June 5, 1865.

41st REGIMENT INFANTRY. - Org. as Co.'s A, B and C, 14th Iowa Infy., Oct. 1861, Detached by order Gen. Fremont and on special duty in Dakota Territory, to April, 1863. Permanently detached from 14th Iowa, Sept. ' 18, 1862, and designated 41st Iowa Battalion Infy. Trans- ferred in 7th Town Cav. Rs Co.'s K, L and M.

42nd REGIMENT INFANTRY. - Failed to complete organization.

43rd REGIMENT INFANTRY. - Failed to complete organization.

44th REGIMENT INFANTRY. - Org. at Davenport, Ia., June 1, 1864. R. R. Guard, Dept. Tenn. Mustered out Sept. 15, 1864.

45th REGIMENT INFANTRY. - Org. at Keokuk, Ia., May 25, 1864. R.R. Guard in Tenn. Mustered out Sept, 16, 1864.

46th REGIMENT INFANTRY. - Org. at Davenport, Ia., June 10, 1864. 2 Brig., Dist. Memphis, Tenn., Dist. West. Tenn. Mustered out Sept. 23, 1864.

47th REGIMENT INFANTRY. - Org. at Davenport, Ia., June 4, 1864. Dist. East. Ark., 7 Corps, Dept. Ark. Mustered out Sept. 28, 1864.

48th REGIMENT INFANTRY. - Org. at Davenport, Ia., July 13, 1864.