Don Carlos Buell
Numerous leading generals and army commanders hailed from Ohio. The General-in-Chief of the Union armies, Ulysses S. Grant, was born in Clermont County in 1822. Among the 19 major generals from Ohio were William T. Sherman, Philip H. Sheridan, Don Carlos Buell, Jacob D. Cox, George Crook, George Armstrong Custer, James A. Garfield, Irvin McDowell, James B. McPherson, William S. Rosecrans, and Alexander M. McCook (of the "Fighting McCook" family, which sent a number of generals into the service). The state would contribute 53 brigadier generals.