United States Regiments & Batteries
Ohio ranked third in population in the North, behind New York and Pennsylvania. It provided 309,906 men to the Union Army that were organized into 13 regiments, 5 battalions and 10 independent companies of cavalry; 2 regiments of heavy artilery; 42 batteries of light artillery; 10 companies of sharpshooters; and 227 regiments, 1 battalion and 5 independent companies of infantry. The majority of these served in the west, but a large number served in the east.
Infantry
1st • 2nd • 4th • 5th • 7th • 8th • 11th • 12th
23rd • 25th • 28th • 29th • 30th • 32nd • 34th • 36th
55th • 60th • 61st • 62nd • 66th • 67th • 73rd • 75th
82nd • 84th • 86th • 87th • 91st •
107th • 110th • 116th • 122nd • 123rd • 126th • 130th • 131st •
132nd • 133rd • 134th • 135th • 136th • 137th • 138th • 139th •
142nd • 143rd • 144th • 145th • 147th • 148th • 149th •
150th • 151st • 152nd • 153rd • 154th • 155th • 156th • 157th • 159th •
160th • 161st • 163rd • 164th • 166th • 169th • 170th •
191st • 192nd • 193rd • 194th • 195th • 196th • 197th
Artillery
1st Artillery: Battery H • Battery I • Battery K • Battery L
1st Independent Battery • 12th Independent Battery • 26th Independent Battery
145th • 147th • 148th • 149th • 150th • 151st • 152nd • 153rd • 154th
155th • 157th • 159th • 160th • 161st • 163rd • 164th • 166th
169th • 170th • 191st • 192nd • 193rd • 194th • 195th • 196th • 197th
Cavalry
1st Cavalry • 2nd Cavalry • 6th Cavalry • 8th Cavalry • 13th Cavalry