Eight Companies organized at Camp Douglass, Ill., October 30, 1861, to February 20, 1862. Consolidated to a Battalion of 3 Companies May 20, 1863. Seven new Companies assigned February, 1864. Regiment moved to Benton Barracks, Mo., December, 1861, and duty there until February, 1862. Attached to District of Southeast Missouri, Steele's Command, February to May, 1862. District of Southwest Missouri to October, 1862. Cavalry Brigade, District of Southeast Missouri, to February, 1863. 1st Brigade, 2nd Division, Army of Southeast Missouri, to March, 1863. District of Southeast Missouri to July, 1863. Reserve Brigade, 1st Cavalry Division, Army of Southeast Missouri, to August, 1863. Reserve Brigade, 1st Cavalry Division, Arkansas Expedition, to December, 1863. Unattached 2nd Division, Army of Arkansas, to January, 1864. 1st Brigade, 1st Cavalry Division, 7th Army Corps, Dept. of Arkansas, to May, 1864. Clayton's Cavalry Brigade, 7th Army Corps, to September, 1864. 1st Brigade, Cavalry Division, 7th Army Corps, to January, 1865. Post Pine Bluff, Ark., 7th Army Corps, to August, 1865.
SERVICE - Duty in District of Southeast Missouri February to June, 1862. Joined Gen. Curtis at Jacksonport, Ark., June 1. March to Helena, Ark., June 1-July 14. Grand Haze, White River, July 4. Hill's Plantation, Cache River, Round Hill, Bayou Do View July 7. Gaines' Landing, Pittman's Ferry July 20. Cotton Plant July 25. Scout in Wayne, Stoddard and Dunklin Counties, Mo., August 20-27 (Detachment). Union Mills August 22. Four Miles August 23. Bloomfield August 24. Camp Pillow August 29. Little River Bridge August 31 (Detachment). Bloomfield September 11. Davidson's Campaign in Southwest Missouri and Northwest Arkansas October, 1862, to May, 1863. Van Buren December 21, 1862. Operations against Marmaduke April 17-May 2. Jackson April 22. White River April 22. Bloomfield April 24. Union City and Chalk Bluffs April 25. Bushy Creek May 28. Near Doniphan June 1 (Detachment). Campaign against Little Rock, Ark., July 1-September 10. Harrison's Landing August 6. Near Helena August 8. Grand Prairie and White River August 17. Brownsville August 24-25. Reed's Bridge, Bayou Metoe August 27. Bayou Metoe August 30 and September 4. Austin August 31. Bayou Fourche and capture of Little Rock September 10. Pursuit of Price September 11-13. Near Little Rock September 11. Duty at Little Rock until July, 1864. Batesville October 22, 1863. Pine Bluff November 28. Steele's Expedition from Little Rock to Camden March 23-May 3, 1864. Little Missouri River April 4. Prairie d'Ann April 9-12. Jenkins' Ferry, Camden, April 15. Jenkins' Ferry, Saline River, April 30. Duty at Pine Bluff until August, 1865. Little Rock Road July 30, 1864. Near Pine Bluff July 30 (Detachment.) Pine Bluff September 11. Reconnaissance from Pine Bluff toward Monticello and Mt. Elba October 4-11. Scout from Pine Bluff toward Mt. Elba October 24-27 (Detachment). Near Half Way House October 25 (Detachment). Expedition from Helena to Friar's Point, Miss., December 1-5 (Detachment). Scout to Richland December 24-25 (Detachment). Scout from Pine Bluff to Simpson's Plantation December 27-28. Expedition from Pine Bluff January 7-9, 1865, and January 15-19. Expedition from Little Rock to Mt. Elba January 22-February 4. Expedition from Pine Bluff to Duvall's Bluff and skirmish February 9-19. Expedition to Arkansas River February 17-18 (Detachment). Near Bayou Metoe February 17. Scout to Douglass' Plantation February 21-22. Douglass' Plantation February 22. Near Voches February 23. Bayou Metoe February 24. Expedition to McMilley's Farm February 26-28 (Detachment). Skirmish McMilley's Farm February 27 (Detachment). Near Pine Bluff March 4 (Detachment). Expedition to Bass Plantation March 17-20 (Detachment). Expedition to Monticello March 21-23 (Detachment). Expedition to Bayou Bartholomew April 1-4 (Detachment). Scout from Pine Bluff to Rodgers' Plantation April 25 (Detachment). Scout from Pine Bluff to Noble's Plantation May 4-6 (Detachment). Scout from Pine Bluff to Johnson's Farm May 15-17. Skirmish on Monticello Road May 16 (Detachment). Scout to Monticello May 23-27. Monticello May 24. Mustered out August 31, 1865.
Regiment lost during service 21 Enlisted men killed and mortally wounded and 4 Officers and 360 Enlisted men by disease. Total 385.