Ohio in the Civil War

United States     U.S. Military      Ohio      Ohio Military      Ohio_in_the_Civil_War

Most Regiments were numbered. Some were named. See the table below for lists of the regiments, battalions, batteries, and unassigned companies.

Regiments 96 on

 * 96th Regiment, Ohio Infantry Mustered in: August 29, 1862 Organized at Camp Delaware, Ohio Mustered out: July 7, 1865 Duty at Mobile until July.


 * 97th Regiment, Ohio Infantry Organized at Zanesville, Ohio, September 1, 1862. Mustered out: Moved to Nashville, Tenn., and duty there till June. Mustered out June 10, 1865.


 * 98th Regiment, Ohio Infantry Organized at Steubenville, Ohio, August 20, 1862. Mustered out: March to Washington, D. C. April 29-May 19. Mustered out June 1, 1865.


 * 99th Regiment, Ohio Infantry Organized at Camp Lima, Allen County, Ohio, and mustered in August 26, 1862 :Consolidated with 50th Ohio Infantry December 31, 1864.


 * 100th Regiment, Ohio Infantry Organized at Toledo, Ohio, July to September, 1862 Duty at Greensboro, N. C. till June. Mustered out June 20, and discharged at Cleveland, Ohio, July 1, 1865.


 * 101st Regiment, Ohio Infantry Organized at Monroeville, Ohio, August 30, 1862. Moved to Nashville, Tenn., and duty there till June. Mustered out June 12, 1865.


 * 102nd Regiment, Ohio Infantry Organized at Mansfield, Ohio, and mustered in August 18, 1862. Mustered out: Moved to Decatur, Ala., May 23, and duty there till June 30. Mustered out June 30, 1865.


 * 103rd Regiment, Ohio Infantry Organized at Cleveland, Ohio, August, 1862. Mustered out: Duty at Raleigh, N. C., and in the Dept. of North Carolina till June. Mustered out June 12, 1865.


 * 104th Regiment, Ohio Infantry Organized at Camp Massillon, Ohio, and mustered in August 30, 1862 Mustered out: at Greensboro (NC?mjm) till June. Mustered out June 17, 1865.


 * 105th Regiment, Ohio Infantry Organized at Cleveland, Ohio, and mustered in August 20, 1862. Mustered out: March to Washington, D. C., April 29-May 20. Mustered out June 3, 1865.


 * 106th Regiment, Ohio Infantry :Organized at Camp Dennison, Ohio, and mustered in August 26, 1862. Mustered out: At Stevenson, Ala,, January to June, 1865. Mustered out June 29, 1865.


 * 107th Regiment, Ohio Infantry Organized at Camp Taylor, Cleveland, Ohio, and mustered in September 9, 1862. Mustered out: Provost duty at Georgetown and at Charleston till July. Mustered out July 10, 1865. Recruits transferred to 25th Ohio Infantry.


 * 108th Regiment, Ohio Infantry Organized at Camp Dennison, Ohio, August, 1862. Mustered out: March to Washington, D. C., April 29-May 19. Mustered out June 9, 1865.


 * 109th Regiment, Ohio Infantry Organization of Regiment not completed. CWSS lists 8 soldiers for this regiment.


 * 110th Regiment, Ohio Infantry


 * Organized at Camp Piqua, Ohio, October 3, 1862.
 * Mustered out: to Washington, D. C., May 24-June 2. Mustered out June 25, 1865.


 * 111th Regiment, Ohio Infantry


 * Organized at Toledo, Ohio, and mustered in September 5, 1862.
 * Mustered out: Duty at Salisbury, N. C., till June. Mustered out June 27, 1865.


 * 112th Regiment, Ohio Infantry


 * Regiment failed to complete organization. CWSS lists 302 men for this regiment.


 * 113th Regiment, Ohio Infantry


 * Organized at Camp Chase, Zanesville, and Camp Dennison, Ohio, October 10 to December 12, 1862
 * Mustered out:Moved to Louisville, Ky., June, and there mustered out July 6, 1865.


 * 114th Regiment, Ohio Infantry


 * Organized at Camp Circleville, Ohio, and mustered in September 11, 1862.
 * Mustered out: Moved to Galveston, Texas, June 13, and duty there till July. Veterans and Recruits transferred to 48th Ohio Veteran Battalion July 24. Mustered out July 31, 1865.


 * 115th Regiment, Ohio Infantry


 * Organized at Camp Massillon, Ohio, and mustered in September 18, 1862.
 * Mustered out: Tullahoma, Tenn., till June, 1865. Mustered out June 23, 1865.


 * 116th Regiment, Ohio Infantry


 * Organized at Marietta and Gallipolis, Ohio, and mustered in September 18, 1862 (Cos. "F" and "K" mustered in October 28, 1861, and joined Regiment at Buckhannon, W. Va.).
 * Mustered out: Duty at Richmond, Va., till June. Mustered out June 14, 1865. Companies "F" and "K" consolidated with 62nd Ohio Infantry.


 * 118th Regiment, Ohio Infantry


 * Organized at Lima, Cincinnati and Camp Mansfield, Ohio, August and September, 1862.
 * Mustered out: Duty at Raleigh, Greensboro and Salisbury till June. Mustered out June 24, 1865.


 * 119th Regiment, Ohio Infantry


 * Organization of Regiment commenced but not completed. CWSS lists 144 men for this regiment.


 * 120th Regiment, Ohio Infantry


 * Organized at Mansfield, Ohio, August 29, 1862.
 * Consolidated with 114th Ohio Infantry November 25, 1864.


 * 121st Regiment, Ohio Infantry


 * Mustered in: Organized at Delaware, Ohio, September 11, 1862.
 * Mustered out: to Washington, D. C., April 29-May 19. Mustered out June 8, 1865.


 * 122nd Regiment, Ohio Infantry


 * Mustered in: Organized at Zanesville, Ohio, September 30, 1862. Company "C" October 3, Company "G" October 5, Company "F" October 6 and Companies "I" and "K" October 8, 1862.
 * Mustered out: to Washington, D. C., May 24-June 1. Mustered out June 26, 1865.


 * 123rd Regiment, Ohio Infantry


 * Mustered in: Organized at Monroeville, Ohio, and mustered in September 24, 1862.
 * Mustered out: Duty in the Dept. of Virginia till June. Mustered out June 12, 1865.


 * 124th Regiment, Ohio Infantry


 * Mustered in: Organized at Cleveland, Ohio, and mustered in January 1, 1863.
 * Mustered out: Duty at Strawberry Plains and Nashville till June. Mustered out June 16, 1865.


 * 125th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Taylor, Cleveland, Ohio, October 6, 1862.
 * Mustered out: to Texas and duty there till September. Mustered out September 25, 1865.


 * 126th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Steubenville, Ohio, and mustered in September 4, 1862.
 * Mustered out: to Washington, D. C., May 24-June 2. Mustered out June 25, 1865.


 * 128th Regiment, Ohio Infantry


 * Mustered in: Organized at Columbus and Johnson's Island, Ohio, December, 1863, to January, 1864.
 * Mustered out: Moved to Camp Chase, Ohio, July 10, and mustered out July 17, 1865.
 * HOFFMAN'S BATTALION INFANTRY. Organized December, 1861, for prison guard duty at Johnson's Island, near Sandusky, Ohio. Transferred to 128th Ohio Infantry January 5, 1864.


 * 129th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Taylor, near Cleveland, Ohio, August 10, 1863.
 * Mustered out: Ordered to Cleveland, Ohio, March and mustered out March 10, 1864.


 * 130th Regiment, Ohio Infantry (National Guard)

Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 131st Regiment, Ohio Infantry (National Guard)

"Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 132nd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 15, 1864
 * Mustered out: at Columbus, Ohio, August 30. Mustered out September 10, 1864.


 * 133rd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized by consolidation of 58th and 76th Battalions and 3rd Regiment Ohio National Guard, and mustered in May 6, 1864.
 * Mustered out: to Camp Chase, Ohio. Mustered out August 20, 1864.


 * 134th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 5, 1864.
 * Mustered out: Richmond on north side of the James River till August. Mustered out August 31, 1864.


 * 135th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 1l, 1864.
 * Mustered out: Actions at Maryland Heights July 3-7. Mustered out September 1, 1864.


 * 136th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 18, 1864.
 * Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out August 30, 1864.


 * 137th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 6, 1864.
 * Mustered out: Defences of Baltimore, 8th Army Corps, Middle Department, till August. Mustered out August 21, 1864.


 * 138th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 14, 1864.
 * Mustered out: Point of Rocks, Broadway Landing and Cherrystone Inlet till August. Mustered out September 1, 1864.


 * 139th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 11, 1864.
 * Mustered out: Point Lookout, Md., June 1, and assigned to duty there as Prison Guard till August 22. Mustered out August 26, 1864.


 * 140th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Gallipolis, Ohio, and mustered in May 10, 1864.
 * Mustered out: guard duty along Kenewha and Gauley Rivers till September. Mustered out September 3, 1864.


 * 141st Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Gallipolis, Ohio, and mustered in May 14, 1864.
 * Mustered out: Reserve Division, Dept. of West Virginia, till August 25. Mustered out September 3, 1864.


 * 142nd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in September 13, 1864.
 * Mustered out: to Point of Rocks, Va., and duty there till August 19. Ordered home and mustered out September 2, 1864.


 * 143rd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 12, 1864.
 * Mustered out:Camp to Chase, Ohio, and mustered out September 13, 1864.


 * 144th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 11, 1864.
 * Mustered out: Ordered home and mustered out August 31, 1864.


 * 145th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 12, 1864.
 * Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out August 20, 1864.


 * 146th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 12, 1864.
 * Mustered out: to Camp Dennison, Ohio, and mustered out September 7, 1864.


 * 147th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 16, 1864.
 * Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out August 30, 1864.


 * 148th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Marietta, Ohio, and mustered in May 17, 1864.
 * Mustered out: Moved to Marietta September 5, and mustered out September 14, 1864.


 * 149th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, May 8, 1864.
 * Mustered out: at Berryville August 13. Mustered out August 30, 1864.


 * 150th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Cleveland, Ohio, and mustered in May 5, 1864.
 * Mustered out: Repulse of Early's attack on Washington, D. C., July 11-12. Mustered out August 23, 1864.


 * 151st Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 18, 1864.
 * Mustered out: to Camp Chase, Ohio, August 23, and mustered out August 27, 1864.


 * 152nd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, May 11, 1864.
 * Mustered out: to Camp Dennison, Ohio, August 25, and mustered out September 2.


 * 153rd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 10, 1864.
 * Mustered out:to Camp Chase, Ohio, August 30. Mustered out September 9, 1864.


 * 154th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 8, 1864. (Co. "F" detached at Piedmont May 22 to August 22.)
 * Mustered out: to Camp Dennison August 22, and there mustered out September 1, 1864.


 * 155th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 8, 1864.
 * Mustered out: Ordered home for muster out August 19. Mustered out August 27.


 * 156th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 15, 1864.
 * Mustered out: at Cumberland till August 28. Action near Folck's Mills, Cumberland, August 1. Mustered out September 1, 1864.


 * 157th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 15, 1864.
 * Mustered out: at Fort Delaware guarding Confederate prisoners till September. Mustered out September 2, 1864.


 * 159th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Zanesville, Ohio, and mustered in May 9, 1864.
 * Mustered out: Wilmington &amp; Baltimore Railroad by Detachments till July. Battle of Monocacy Junction, Md., July 9. Expedition to Parkesville July 12. Companies "B" "E" "G" and "I" guard railroad at Havre de Grace July 28 to August 13. Ordered home August 13, and mustered out August 24, 1864.


 * 160th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Zanesville and mustered in May 12, 1864.
 * Mustered out: Ordered home and mustered out September 7, 1864.


 * 161st Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 9, 1864.
 * Mustered out: Ordered home and mustered out September 2, 1864.


 * 162nd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in May 20, 1864.
 * Mustered out: Mustered out at Camp Chase, Ohio, September 4, 1864.


 * 163rd Regiment, Ohio Infantry (National Guard)


 * Mustered in: organized at Camp Chase, Ohio, and mustered in May 12, 1864.
 * Mustered out: Ordered to Columbus, Ohio, August 29, and mustered out September 10, 1864.


 * 164th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Taylor, Cleveland, Ohio, and mustered in May 11, 1864.
 * Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out August 27, 1864.


 * 165th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 14, 1864.
 * Mustered out: in Maryland and Virginia till August 27. Mustered out August 31, 1864.


 * 166th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Cleveland, Ohio, and mustered in May 13, 1864.
 * Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out September 9, 1864.


 * 167th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Hamilton, Ohio, and mustered in May 14, 1864.
 * Mustered out: Six Companies moved to Camp Piatt May 22, and four Companies to Gauley Bridge. Duty at these points guarding supply trains and stores till September. Mustered out September 8, 1864.


 * 168th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in May 19, 1864.
 * Mustered out: to Camp Dennison July 11. Guard duty there and at Cincinnati, Ohio, till September 8. Mustered out September 8, 1864.


 * 169th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Camp Taylor, Cleveland, Ohio, and mustered in May 13, 1864.
 * Mustered out: Repulse of Early's attack on Washington July 11-12. Mustered out September 4, 1864.


 * 170th Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Bellaire, Ohio, and mustered in May 13, 1864.
 * Mustered out: to Harper's Ferry and duty there till August 24. Mustered out September 10, 1864.


 * 171st Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Sandusky, Ohio, and mustered in May 7, 1864.
 * Mustered out: ordered to Camp Dennison, Ohio. Duty there and at Johnson's Island, Ohio, till August. Mustered out August 20, 1864.


 * 172nd Regiment, Ohio Infantry (National Guard)


 * Mustered in: Organized at Gallipolis, Ohio, and mustered in May 14, 1864.
 * Mustered out: Guard duty at Gallipolis till September. Mustered out September 3, 1864.


 * 173rd Regiment, Ohio Infantry


 * Mustered in: Organized at Gallipolis, Ohio, and mustered in September 18, 1864.
 * Mustered out: Moved to Nashville June 20, and there mustered out June 26. Disbanded at Camp Dennison, Ohio, July 5, 1865.


 * 174th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, August 16 to September 21, 1864.
 * Mustered out: Mustered out at Charlotte, N. C., June 28, 1865.


 * 175th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in October 11, 1864.
 * Mustered out: to Nashville, Tenn., June 23. Mustered out June 27, 1865.


 * 176th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, August 10 to September 21, 1864. Mustered in September 21, 1864.
 * Mustered out: June 18, 1865.


 * 177th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Cleveland, Ohio, and mustered in October 9, 1864.
 * Mustered out: Mustered out at Greensboro, N. C., June 24 and discharged July 7, 1865.


 * 178th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in September 26, 1864.
 * Mustered out: Duty at Raleigh and Charlotte, N. C., till June. Mustered out June 29, 1S65


 * 179th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in September 29, 1864.
 * Mustered out: June 18, 1865


 * 180th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase September-October, 1864.
 * Mustered out: Duty at Raleigh, Greensboro and Charlotte, N. C., till July. Mustered out July 12, 1865.


 * 181st Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Dennison, Ohio, and mustered in October 10, 1864.
 * Mustered out: Duty at Raleigh, Greensboro and Salisbury till July. Mustered out July 29, 1865.


 * 182nd Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, August 4 to October 13, 1864.
 * Mustered out: Mustered out July 7, 1865.


 * 183rd Regiment, Ohio Infantry


 * Mustered in: Organized at Cincinnati and Sandusky, Ohio, September-October, 1864.
 * Mustered out: Duty at Raleigh and Salisbury, N. C., till July. Mustered out July 17, 1865.


 * 184th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in February 21, 1865.
 * Mustered out: Garrison duty at Edgefield, Tenn., July 25 to September 20, 1865. Mustered out September 20, and discharged at Camp Chase, Ohio, September 27, 1865.


 * 185th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in February 25, 1865.
 * Mustered out: Mustered out at Lexington, Ky., September 26, 1865.


 * 186th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase February, 1865.
 * Mustered out: Ordered to Columbus, Ohio, September 19, and mustered out September 25, 1865.


 * 187th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 2, 1865.
 * Mustered out: January 20, 1866


 * 188th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 4, 1865.
 * Mustered out: Mustered out at Nashville, Tenn., September 21, 1865.


 * 189th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 5, 1865.
 * Mustered out: assigned to post duty at Huntsville till September 25. Mustered out September 28, 1865.


 * 191st Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, January and February, 1865.
 * Mustered out: Operations in the Shenandoah Valley in vicinity of Winchester, Stevenson's Depot and Jordan's Springs, April to August. Mustered out August 27, and discharged September 5, 1865.


 * 192nd Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 9, 1865.
 * Mustered out: Duty in the Shenandoah Valley in the vicinity of Winchester, Stevenson's Depot, Reed's Hill and Harrisonburg till August 25. Mustered out at Winchester September 1, 1865.


 * 193rd Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, March, 1865.
 * Mustered out: Moved to Winchester April 4, and duty there till August. Mustered out August 4, 1865.


 * 194th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase March, 1865.
 * Mustered out: Ordered to Washington, D. C., and garrison duty there till October. Mustered out October 24, 1865.


 * 195th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 14 to March 20, 1865.
 * Mustered out: Ordered to Alexandria, Va., April 28 and provost duty there till December. Mustered out December 18, 1865.


 * 196th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 25, 1865.
 * Mustered out: Moved to Baltimore, Md., and garrison duty there and at Fort Delaware till September. Mustered out September 11, 1865.


 * 197th Regiment, Ohio Infantry


 * Mustered in: Organized at Camp Chase, Ohio, and mustered in March 28, 1865.
 * Mustered out: Moved to Baltimore, Md., July 3, and duty as guards at camps and hospitals around that city till July 31. Mustered out July 31, 1865.


 * 198th Regiment, Ohio Infantry


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * 200th Regiment, Ohio Infantry


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * Bard's Independent Company, Ohio Cavalry Militia


 * Mustered in: Organized at Cincinnati, Ohio, for thirty days' service September 2, 1862. Duty in Defences of Cincinnati.


 * Mustered out October 3, 1862.


 * Burdsal's Independent Company, Ohio Cavalry


 * Mustered in: Organized at Cincinnati, Ohio, June 5, 1861.
 * Mustered out: Mustered out August 23, 1861


 * Cotter's Company, Ohio Artillery Militia


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * Dennison Guards Independent Company, Ohio Infantry


 * Mustered in: Organized at Camp Dennison, Ohio, May 19, 1862.


 * Mustered out: Mustered out January 24, 1863.


 * George's Independent Company, Ohio Cavalry


 * Mustered in: Organized for three months at Gallipolis, Ohio, July 2, 1861. Attached to Cox's Kanawha Brigade, and duty in Kanawha District, West Virginia, till September.

Mustered out: Mustered out September 10, 1861.


 * Jones' Command, Ohio Infantry


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * McLaughlin's Squadron, Ohio Cavalry


 * Mustered in: Organized at Mansfield, Ohio, October and November, 1861.
 * Mustered out: Moved to Raleigh and consolidated with 5th Ohio Cavalry July 28, 1865.


 * Neff's Detachment, Ohio Volunteers (Cincinnati Rifles)


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * Paulsen's Independent Battery, Ohio Light Artillery (1 month, 1862)


 * Mustered in: Organized at Columbus, Ohio, September 2, 1862.
 * Mustered out: Mustered out September 22, 1862.


 * Trumbull Guards Independent Company, Ohio Infantry


 * Mustered in: Organized at Gallipolis, Ohio, November 9, 1862, for River Guard.


 * Mustered out: Mustered out July 1, 1865.


 * Unassigned Ohio Colored Troops


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * Unassigned Ohio Volunteers


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * Unassigned Ohio Infantry


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * Union Light Guard, Ohio Cavalry


 * Mustered in: Organized at Columbus, Ohio, December 17, 1863, for duty as body guard to President Lincoln.
 * Mustered out: Duty as guard at the White House and at the War Department and other public buildings till September, 1865. Mustered out September 9, 1865.


 * Wallace Guards Independent Company, Ohio Infantry


 * Mustered in: Organized at Cincinnati, Ohio, for thirty days' service September 2, 1862.
 * Mustered out: Duty in the Defences of Cincinnati. Mustered out October 4, 1862


 * W.R. Williams' Company, Ohio Artillery


 * Mustered in: "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * Mustered out:


 * W.S. Williams' Company, Ohio Artillery


 * Mustered in: No information in the Civil War Soldiers and Sailors Web site
 * Mustered out: