The 13th Michigan Infantry was organized at Kalamazoo, Michigan, and mustered into service for three years enlistment on January 17, 1862, under the command of Colonel Charles Edward Stuart.The regiment was attached to 15th Brigade, 4th Division, Army of the Ohio, to March 1862. 20th Brigade, 6th Division, Army of the Ohio, to September 1862. 20th Brigade, 6th Division, II Corps, Army of the Ohio, to November 1862. 3rd Brigade, 1st Division, Left Wing, XIV Corps, Army of the Cumberland, to January 1863. 3rd Brigade, 1st Division, XXI Corps, to April 1863. 1st Brigade, 1st Division, XXI Corps, to October 1863. 2nd Brigade, 2nd Division, IV Corps, Army of the Cumberland, to November 1863. Engineer Brigade, Department of the Cumberland, to October 1864. 2nd Brigade, 1st Division, XIV Corps, Army of the Cumberland, to July 1865.
The 13th Michigan Infantry mustered out of service at Louisville, Kentucky, on July 25, 1865.
Company A - Kalamazoo County and Barry County
Company B - Allegan County and Barry County
Company C - Allegan County and Kent County
Company D - Calhoun County
Company E - Kalamazoo County
Company F - Jackson County, Ionia County, and Eaton County
Company G - Kalamazoo County
Company H - Kalamazoo County
Company I - Allegan County
Company K - Van Buren County and Calhoun County
Unassigned Company - Kalamazoo County and Jackson County