Infantry units.
In recognition of Illinois’ six regiments' service in the Mexican War, regimental numbers for infantry in the Civil War began at seven.
Cavalry units.
Named Units
Artillery units.
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Named Units
References.
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Report of the Adjutant General of the State of Illinois. This series of books give an overview of all military units provided the State of Illinois and listing of rosters of each unit.
* Volume 1:
* Volume 2:
* Volume 3:
* Volume 4:
* Volume 5:
* Volume 6:
* Volume 7:
* Volume 8: