1st Regiment, Ohio Infantry
United States 
U.S. Military Ohio Ohio Military Ohio in the Civil War Ohio Civil War Union Units 1st through 8th 1st Regiment, Ohio Infantry
Brief History[edit | edit source]
The 1st Regiment mustered in from August 5 to October 30, 1861 at Camp Corwin, Dayton, Ohio. It
mustered out from September 24 to October 14, 1864. Recruits transferred to the 18th Ohio Volunteers Infantry October 31, 1864. It was ordered to the reach for muster out.
The 1st Regiment was originally recruited for 3 months service.
Companies in this Regiment with the Counties of Origin[edit | edit source]
Men often enlisted in a company recruited in the counties where they lived though not always. After many battles, companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.
Original Companies
Company A - Lancaster Guards
Company B - Lafayette Guards (Dayton)
Company C - Dayton Light Guards
Company D - Montgomery Guards
Company E - Cleveland Grays
Company F - Hibernian Guards (Cleveland)
Company G - Portsmouth Guards
Company H - Zanesville Guards
Company I - Mansfield Guards
Company K - Jackson Guards (Hamilton)
From: The Military History of Ohio. By H.H. Hardesty