Organized at Mansfield, Ohio, and mustered in August 18, 1862. Moved to Covington, Ky., September 4. Attached to 38th Brigade, 12th Division, Army of the Ohio, to November, 1862. District of Western Kentucky, Dept. of the Ohio, to December, 1862. Clarksville, Tenn., Dept. of the Cumberland, to June, 1862. 1st Brigade, 3rd Division, Reserve Corps, Dept. of the Cumberland, to October, 1863. Unattached. District of Nashville, Tenn., Dept. of the Cumberland, to January, 1864. 1st Brigade, 3rd Division, 12th Army Corps, Army of the Cumberland, to April, 1864. 1st Brigade, 4th Division, 20th Army Corps, Dept. of the Cumberland, to April, 1865. District of North Alabama, Dept. of the Cumberland, to June, 1865.

SERVICE:
Regiment mustered in at Covington, Ky., September 6, 1862. Duty in the Defences of Cincinnati, Ohio, till September 22. Moved to Louisville, Ky., September 22, and duty there till October 5. Train guard to Shelbyville October 5-6. Pursuit of Bragg into Kentucky October 6-15. March to Bowling Green, Ky., and duty there guarding railroad to Nashville, Tenn., till December 19. Moved to Russellville December 19, thence to Clarksville, Tenn. Duty there and in vicinity, building bridges, forwarding supplies, etc., till September 23, 1863. Movements to repel Wheeler's Raid September 26-October 30. Moved to Nashville, Tenn., and duty there till April 26, 1864. Guard duty on Nashville & Chattanooga Railroad from Normandy to Dechard till June 6. Engaged in the defence of the line of the Tennessee River from Stevenson to Seven Mile Island June 10-September 1. Duty on cars protecting Tennessee & Alabama Railroad from Decatur, Ala., to Columbia, Tenn., September 1-15. Action at Athens September 23-24. Operations on the Tennessee River in rear of Hood's army October to December. Siege of Decatur October 26-29. Evacuation of Decatur November 25. March to Stevenson, Ala., November 25-December 2, and duty there till May, 1865. Moved to Decatur, Ala., May 23, and duty there till June 30. Mustered out June 30, 1865.
Regiment lost during service 2 Officers and 11 Enlisted men killed and mortally wounded and 2 Officers and 247 Enlisted men by disease. Total 262.