The 4th Ohio Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War. The regiment was also known as the Union Dragoons and Cincinnati Union Dragoons.
The 4th Ohio Cavalry Regiment was organized at Cincinnati, Lima, and Camp Dennison near Cincinnati from August to November 1861, and mustered in for a three years under the command of Colonel John Kennett.
The regiment was attached to 3rd Division, Army of the Ohio, to October 1862. 2nd Brigade, Cavalry Division, Army of the Ohio, to November 1862. 2nd Brigade, Cavalry Division, Army of the Cumberland, to January 1863. 2nd Brigade, 1st Cavalry Division, Army of the Cumberland, to March 1863. 2nd Brigade, 2nd Cavalry Division, Army of the Cumberland, to October 1864. 2nd Brigade, 2nd Division, Cavalry Corps, Military Division Mississippi, to August 1865.
The 4th Ohio Cavalry mustered out of service on July 15, 1865.
Moved to Camp Dennison, Ohio, November 23, thence to Jeffersonville, Ind., December 5, and to Bacon Creek, Ky., December 27. Action at Roan's Tan Yard, Silver Creek, Mo., January 8, 1862. Advance on Bowling Green, Ky., February 10âÂÂ15, 1862. Occupation of Bowling Green February 15. Occupation of Nashville, Tenn., February 23. Action near Nashville March 8âÂÂ9. Camp Jackson March 24. Reconnaissance to Shelbyville, Tullahoma and McMinnville March 25âÂÂ28. Capture of Huntsville, Ala., April 11. Bridgeport, Ala., April 23. West Bridge, near Bridgeport, April 29. Shelbyville Road April 24. Tuscumbia April 25. Bolivar April 28. Pulaski May 11. Watkins' Ferry May 2. Athens May 8. Fayetteville May 14. Elk River May 20. Fayetteville May 26. Whitesburg, Ala., May 29. Huntsville June 4âÂÂ5. Winchester, Tenn., June 10. Battle Creek June 21. Huntsville July 2. Stevenson, Ala., July 28. Bridgeport August 27 (detachment). Fort McCook, Battle Creek, August 27 (detachment). March to Louisville in pursuit of Bragg August 28-September 26. Huntsville September 1. Tyree Springs September 13. Glasgow, Ky., September 18. Pursuit of Bragg into Kentucky October 1âÂÂ10. Bardstown Pike, near Mt. Washington, October 1. Frankfort October 9. Pursuit of Bragg from Perryville to London October 10âÂÂ22. Lexington October 17âÂÂ18. Bardstown and Pittman's Cross Roads October 19. Lawrenceburg October 25. Sandersville, Tenn., November 6. Reconnaissance from Rural Hill December 20. Near Nashville, Tenn., December 24. Advance on Murfreesboro December 26âÂÂ30. Franklin December 26. Wilkinson's Cross Roads December 29. Near Murfreesboro December 29âÂÂ30. Battle of Stones River December 30âÂÂ31, 1862 and January 1âÂÂ3, 1863. Overall's Creek December 31, 1862. Insane Asylum January 3, 1863. Shelbyville Pike January 5. Expedition to Auburn, Liberty and Alexandria February 3âÂÂ5. Bradysville March 1. Expedition toward Columbia March 4âÂÂ14. Rutherford Creek March 10âÂÂ11. Expedition from Murfreesboro to Auburn, Liberty, Snow Hill, etc., April 2âÂÂ6. Smith's Ford April 2. Snow Hill, Woodbury and Liberty April 3. Franklin April 10. Expedition to McMinnville April 20âÂÂ30. Reconnaissance to Lavergne May 12. Expedition to Middleton and skirmishes May 21âÂÂ22. Near Murfreesboro June 3. Expedition to Smithville June 4âÂÂ5. Snow Hill June 4. Smithville June 5. Tullahoma Campaign June 23-July 7. Morris Ford, Elk River, July 2. Kelly's Ford July 2. Expedition to Huntsville July 13âÂÂ22. Occupation of middle Tennessee until August 16. Passage of Cumberland Mountains and Tennessee River, and Chickamauga Campaign August 16-September 22. Reconnaissance from Stevenson, Ala., to Trenton, Ga., August 28âÂÂ31. Alpine, Ga., September 3 and 8. Reconnaissance from Alpine toward Lafayette September 10. Battle of Chickamauga, September 19âÂÂ21. Operations against Wheeler and Roddy September 30-October 17. McMinnville October 4. Farmington October 7. Sim's Farm, near Shelbyville, October 7. Farmington October 9. Maysville, Ala., November 4. Winchester November 22. Chattanooga-Ringgold Campaign November 23âÂÂ27. Raid on East Tennessee & Georgia Railroad November 24âÂÂ27. Charleston November 26. Cleveland November 27. March to relief of Knoxville, Tenn., November 28-December 8. Charleston, Tenn., December 28 (detachment). Expedition to Murphey, N. C., December 6âÂÂ11. Expedition from Scottsboro, Ala., toward Rome, Ga., January 25-February 5, 1864. Ringgold, Ga., February 8. Demonstration on Dalton, Ga., February 22âÂÂ27. Near Dalton February 23âÂÂ24. Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge February 24âÂÂ25. Scout to Dedmon's Trace April 10. Atlanta Campaign May 1-September 8, 1864. Courtland Road, Ala., May 26. Pond Springs, near Courtland, May 27. Moulton May 28âÂÂ29. Operations about Marietta and against Kennesaw Mountain June 10-July 2. McAffee's Cross Roads June 11. Noonday Creek June 15âÂÂ19 and 27. Near Marietta June 23. Assault on Kennesaw June 27. Nickajack Creek July 2âÂÂ5. Rottenwood Creek July 4. Chattahoochie River July 5âÂÂ17. Alpharetta July 10. Garrard's Raid to Covington July 22âÂÂ24. Siege of Atlanta July 24-August 15. Garrard's Raid to South River July 27âÂÂ31. Flat Rock Bridge and Lithonia July 28. Kilpatrick's Raid around Atlanta August 18âÂÂ22. Red Oak and Flint River August 19. Jonesborough August 19. Lovejoy's Station August 20. Operations at Chattahoochie River Bridge August 26-September 2. Sandtown September 1. Ordered to Nashville, Tenn., September 21, thence to Louisville November 8, and duty there until January 1865. Moved to Gravelly Springs, Ala., January 12, and duty there until March. Wilson's Raid to Macon, Ga., March 22-April 24. Selma April 2. Montgomery April 12. Macon April 20. Duty at Macon until May 23, and at Nashville, Tenn., until July.
The regiment lost a total of 225 men during service; 5 officers and 50 enlisted men killed or mortally wounded, 1 officer and 169 enlisted men died of disease.