15th Illinois Volunteer Infantry Regiment

The 15th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.

Service
The 15th Illinois Infantry Volunteer Regiment was raised under the 10 Regiment Act. The 15th Illinois Infantry was mustered at Freeport, Illinois on May 24, 1861.

Companies A, D, and F were made from volunteers from McHenry County, Company B was made by volunteers from Boone County, Company C was from Winnebago County, Company E hailed from Jo Daviess County, Company G came from Stephenson County, Company H was from Ogle County, Company I was from Lake County, and Company K was from Carroll County.

The regiment was consolidated with the 14th Regiment Illinois Volunteer Infantry to form the 14th and 15th Illinois Battalion Infantry on July 1, 1864 and was finally mustered out of service on September 16, 1865 at Fort Leavenworth.

Total strength and casualties
The regiment suffered 6 officers and 81 enlisted men who were killed in action or who died of their wounds and 5 officers and 135 enlisted men who died of disease, for a total of 227 fatalities.

Commanders

 * Colonel Thomas J. Turner - resigned November 2, 1862.
 * Colonel George C. Rogers