Organized at Marietta, Ohio, July 30-August 31, 1861. Left State for West Virginia September 10, 1861. Moved to Summerville, and duty there till May, 1862. Attached to Cox's Kanawha Brigade, West Virginia, to October, 1861. District of the Kanawha, West Virginia, to March, 1862. 3rd Brigade, Kanawha Division, West Virginia, to September, 1862. 2nd Brigade, Kanawha Division, 9th Army Corps, Army of the Potomac, to October, 1862. 2nd Brigade, Kanawha Division, District of West Virginia, Dept. of the Ohio, to February, 1863. Crook's Brigade, Baird's Division, Army of Kentucky, Dept. of the Cumberland, to June, 1863. 3rd Brigade, 4th Division, 14th Army Corps, Army of the Cumberland, to October, 1863. 1st Brigade, 3rd Division, 14th Army Corps, to April, 1864. 1st Brigade, 2nd Infantry Division, West Virginia, to January, 1865. 1st Brigade, 1st Infantry Division, West Virginia, to July, 1865.

SERVICE:
Expedition to Meadow Bluff December 15-21, 1861. Expedition from Summerville to Addison April 17-21, 1862 (Cos. "E," "G," "I," and "K"). Expedition to Lewisburg, W. Va., May 12-23. Jackson River Depot May 20. Action at Lewisburg May 23. Moved to Meadow Bluff May 29. Expedition to Salt Sulphur Springs June 22-25. Operations in Kanawha Valley till August. Movement to Washington, D. C., August 14-22. Joined Gen. Pope, and on duty at his Headquarters till September 3, during battles of Bull Run August 28-30. Maryland Campaign September 6-22. Frederick City, Md., September 12. Battles of South Mountain September 14 and Antietam September 16-17. March to Hagerstown, thence to Hancock, Md., Clarksburg and the Kanawha Valley October 6-November 16. Duty at Charleston, W. Va., till January 25, 1863. Ordered to Nashville, Tenn., January 25, thence to Carthage February 22, and duty there till June. Middle Tennessee or Tullahoma Campaign June 23-July 7. Hoover's Gap June 24-26. Occupation of Middle Tennessee till August 16. Passage of the Cumberland Mountains and the Tennessee River, and Chickamauga (Ga.) Campaign August 16-September 22. Catlett's Gap September 15-18. Battle of Chickamauga, Ga., September 19-21. Siege of Chattanooga September 24-November 23. Reopening Tennessee River October 26-29. Brown's Ferry October 27. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. Regiment re-enlisted January, 1864, and Veterans on Furlough March and April. Ordered to Charleston, W. Va. Crook's Raid to Dublin Depot, Virginia & Tennessee Railroad, May 2-19. Battle of Cloyd's Mountain May 9. New River Bridge May 10. Hunter's Raid on Lynchburg May 26-July 1. Lexington June 11-12. Diamond Hill June 17. Lynchburg June 17-18. Buford's Gap June 20. Salem June 21. Moved to the Shenandoah Valley July 12-15. Cablestown July 19. Battle of Winchester July 23-24. Martinsburg July 25. Sheridan's Shenandoah Valley Campaign August 6-November 28. Cedar Creek, Strasburg, August 15. Summit Point August 24. Halltown August 26. Berryville September 3. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Battle of Cedar Creek October 19. Kablestown November 18. Duty at Kernstown, till December. Ordered to Cumberland, Md., and duty there till April, 1865. Moved to Winchester, and duty there till June, and at Wheeling, W. Va., till July. Mustered out July 27, 1865.
Regiment lost during service 4 Officers and 136 Enlisted men killed and mortally wounded and 163 Enlisted men by disease. Total 303.