The 128th Ohio Infantry was organized in
Columbus and
Johnson's Island, Ohio and mustered in for three years service under the command of
Colonel Charles W. Hill. Companies A through E were organized January through September 1862; Companies E through K were organized December 1863 through January 1864. The regiment moved from Columbus to
Sandusky, Ohio, January 1864. It performed guard duty at Sandusky and at Johnson's Island, Sandusky Bay, until July 1865. Portions of the regiment served on detached duty in
West Virginia. The regiment moved to
Camp Chase July 10, and mustered out of service on July 17, 1865. ==Casualties==