The 26th Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It was often referred to by its members as the Groundhog Regiment.
The 26th Ohio Infantry Regiment was organized at Camp Chase in Columbus, Ohio, beginning June 8, 1861, and mustered in for three years service on July 24, 1861, under the command of Colonel Edward P. Fyffe. The regiment was recruited in Butler, Champaign, Crawford, Delaware, Guernsey, Logan, Madison, Mahoning, Morgan, Morrow, Richland, Ross, Scioto, and Trumbull counties.
The regiment was attached to Cox's Kanawha Brigade, West Virginia, to October 1861. District of the Kanawha, West Virginia, to January 1862. 15th Brigade, 4th Division, Army of the Ohio, to March 1862. 15th Brigade, 6th Division, Army of the Ohio, to September 1862. 15th Brigade, 6th Division, II Corps, Army of the Ohio, to November 1862. 1st Brigade, 1st Division, Left Wing, XIV Corps, Army of the Cumberland, to January 1863. 1st Brigade, 1st Division, XXI Corps, Army of the Cumberland, to October 1863. 2nd Brigade, 2nd Division, IV Corps, Army of the Cumberland, to June 1865. 1st Brigade, 2nd Division, IV Corps, to August 1865. Department of Texas to October 1865.
The 26th Ohio Infantry mustered out of service at Victoria, Texas, on October 21, 1865.
Ordered to the Kanawha Valley, W. Va., July 25. and duty there August 1861 to January 1862. Action at Boone Court House, Va., September 1, 1861. Operations in the Kanawha Valley and New River Region October 19-November 16, 1861. Ordered to Kentucky January 1, 1862. Advance on Nashville, Tenn., February 14âÂÂ25. Occupation of Nashville February 25-March 18. March to Savannah, Tenn., March 18-April 6. Lawrenceburg April 4. Battle of Shiloh, Tenn., April 6âÂÂ7. Advance on and siege of Corinth, Miss., April 29-May 30. Pursuit to Booneville May 31-June 6. Buell's Campaign in northern Alabama and middle Tennessee June to August. Little Pond, near McMinnville, August 20. March to Louisville, Ky., in pursuit of Bragg August 30-September 26. Pursuit of Bragg into Kentucky October 1âÂÂ15. Battle of Perryville October 8 (reserve). March to Nashville, Tenn., October 16-November 7, and duty there until December 26. Advance on Murfreesboro December 26âÂÂ30. Lavergne December 26âÂÂ27. Battle of Stones River December 30âÂÂ31, 1862 and January 1âÂÂ3, 1863. Duty at Murfreesboro until June. Tullahoma Campaign June 23-July 7. Passage of Cumberland Mountains and Tennessee River, and Chickamauga Campaign August 16-September 22. Expedition from Tracy City to Tennessee River August 22âÂÂ24 (detachment). Reconnaissance toward Chattanooga November 7. Lookout Valley November 7âÂÂ8. Occupation of Chattanooga September 9. Lee and Gordon's Mills September 17âÂÂ18. Battle of Chickamauga September 19âÂÂ20. Siege of Chattanooga September 24-November 23. Chattanooga-Ringgold Campaign November 23âÂÂ27. Orchard Knob November 23âÂÂ24. Missionary Ridge November 25. Pursuit to Graysville November 26âÂÂ27. March to relief of Knoxville November 28-December 8. Regiment reenlisted January 1, 1864. Atlanta campaign May 1-September 8, 1864. Demonstrations on Rocky Faced Ridge and Dalton May 8âÂÂ13. Buzzard's Roost Gap or Mill Creek May 8. Battle of Resaca May 14âÂÂ15. Adairsville May 17. Near Kingston May 18âÂÂ19. Cassville May 19. Advance on Dallas May 22âÂÂ25. Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Operations about Marietta and against Kennesaw Mountain June 10-July 2. Pine Hill June 11âÂÂ14. Lost Mountain June 15âÂÂ17. Assault on Kennesaw June 27. Ruff's Station July 4. Chattahoochie River July 6âÂÂ17. Buckhead, Nancy's Creek, July 18. Peachtree Creek July 19âÂÂ20. Siege of Atlanta July 22-August 25. Flank movement on Jonesboro August 25âÂÂ30. Battle of Jonesboro August 31-September 1. Lovejoy's Station September 2âÂÂ6. Operations against Hood in northern Georgia and northern Alabama September 29-November 3. Nashville Campaign NovemberâÂÂDecember. Columbia, Duck River, November 24âÂÂ27. Battle of Franklin November 30. Battle of Nashville December 15âÂÂ16. Pursuit of Hood to the Tennessee River December 17âÂÂ28. Moved to Huntsville, Ala., and duty there until March 1865. Operations in eastern Tennessee March 15-April 22. Duty at Nashville until June. Moved to New Orleans June 16, thence to Texas. Duty at San Antonio and Victoria until October.
The regiment lost a total of 238 men during service; 6 officers and 116 enlisted men killed or mortally wounded, 116 enlisted men died of disease.