Regiment organized at Ripley, Ohio, October, 1862, and duty there till December, 1862. First Battalion (Cos. "A," "B," "C," "D"), ordered to Lexington, Ky., November 22, 1862, and duty there till December 21. 2nd Battalion ordered to Lexington, Ky., December 20, 1862, and 3rd Battalion to same point December 31, 1862. Attached to District of Central Kentucky, Dept. Ohio, to January, 1863. 2nd Brigade, District of Central Kentucky, to April, 1863. 1st Provisional Cavalry Brigade, 23rd Army Corps, Army Ohio, to June, 1863. 3rd Brigade, 1st Division, 23rd Army Corps, to August, 1863. 3rd Brigade, 4th Division, 23rd Army Corps, to November, 1863. 1st Brigade, 2nd Division, Cavalry Corps, Dept. Ohio, to May, 1864. 1st Brigade, Cavalry Division, District of Kentucky, 5th Division, 23rd Army Corps, to July, 1864. 1st Brigade, Cavalry Division, 23rd Army Corps, to August, 1864. Mounted Brigade, Cavalry Division, 23rd Army Corps, to September, 1864. 2nd Brigade, Cavalry Division, 23rd Army Corps, to November, 1864. 2nd Brigade, 6th Division, Wilson's Cavalry Corps, Military Division Mississippi, to December, 1864. 1st Brigade, 6th Division, Cavalry Corps, to February, 1865. 2nd Brigade, 4th Division, Cavalry Corps, to July, 1865.

SERVICE.-1st Battalion participated in Carter's Raid into East Tennessee and Southwest Virginia December 21, 1862, to January 5, 1863. Passage of Moccasin Gap December 29, 1862. Actions at Zollicoffer Station December 30. Watauga Bridge, Carter's Station, December 30 (Cos. "A," "D"). Regiment participated in operations in Central Kentucky against Cluke's forces February 18-March 5, 1863. Slate Creek near Mt. Sterling February 24 and March 2. Operations against Pegram March 22-April 1. Dutton's Hill March 30. Expedition to Monticello and operations in Southeast Kentucky April 26-May 12. Monticello May 1. Rocky Gap, Monticello, June 9. Carter's Raid in East Tennessee June 16-24. Knoxville June 19-20. Roger's Gap June 20. Powder Springs Gap June 21. Scout to Creelsborough June 28-30. Pursuit of Morgan July 1-25. Buffington Island, Ohio, July 19. Operations against Scott in Eastern Kentucky July 26-August 6. Near Rogersville July 27. Richmond July 28. Lancaster July 31. Paint Lick Bridge July 31. Lancaster August 1. Burnside's Campaign in East Tennessee August 16-October 19. Winter's Gap August 31. Expedition to Cumberland Gap September 4-9. Capture of Cumberland Gap September 9. Carter's Station September 22. Zollicoffer September 24. Jonesboro September 28. Blue Springs October 5 and 10. Sweetwater October 10-11. Pursuit to Bristol October 11-17. Blountsville October 13-14. Moved to Rogersville October 17-19. Knoxville Campaign November 4-December 23. Action at Rogersville November 6. Stock Creek November 14. Defence of Cumberland Gap during siege of Knoxville November 17-December 5. Morristown December 10. Cheek's Cross Roads December 12. Russellville December 12-13. Bean's Station December 14. Rutledge December 16. Blain's Cross Roads December 16-19. Rutledge December 18. Stone's Mill December 19. New Market December 23. Dandridge December 24. Mossy Creek December 26. Operations about Dandridge January 16-17. 1864. Kimbrough's Cross Roads January 16. Dandridge January 17. Operations about Dandridge January 26-28. Fair Garden January 27. Ordered to Nicholasville, Ky., February. Operations against Morgan in Kentucky May 31-June 20 (Detachment). Cynthiana June 12. March to Atlanta, Ga., July 4-26. Siege of Atlanta July 26-September 2. Stoneman's Raid to Macon July 27-August 6 (Co. "D"). Clinton and Macon July 30 (Co. "D"). Hillsborough July 30-31 (Co. "D"). Sandtown and Fairburn August 15. At Decatur till October 4. At Atlanta till November 6. Moved to Nashville, Tenn. Nashville Campaign November-December. Henryville November 23. Columbia, Duck River, November 24-27. Duck River Crossing November 28. Columbia Ford November 29. Franklin November 30. Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. West Harpeth River and Franklin December 17. Spring Hill December 18. Richland Creek December 24. Pulaski December 25-26. Moved to Gravelly Springs, Ala., and duty there till March, 1865. Wilson's Raid from Chickasaw, Ala., to Macon, Ga., March 22-April 24. Montevallo March 31. Ebenezer Creek near Mapleville April 1. Selma April 2. Montgomery April 12. Columbia, Ga., April 16. Capture of Macon April 20. Scout duty in Northern Georgia till May 15. Moved to Nashville, Tenn., and duty there till July. Mustered out July 4, 1865.

Regiment lost during service 2 Officers and 26 Enlisted men killed and mortally wounded and 4 Officers and 197 Enlisted men by disease. Total 229.