7th Illinois Infantry Regiment
Three Month and Three Year Service
3 months: April 25, 1861 - July 25, 1861
3 years: July 25, 1861 - July 9, 1865
Regiment Mounted June 1863 - June 1864, November 1864 - July 1865

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Assigned to:

• 3 Month Regiment: Duty in Cairo and St Louis
• District of Cairo: July 1861 - February 1862
• Army of the Tennessee: February 1862 - July 1865

Battles/Campaigns Engaged in:
Ft Donelson, Shiloh, Siege of Corinth, Corinth, Operations against Vicksburg [Central Mississippi Campaign], Allatoona Pass, March to the Sea, Campaign of the Carolinas [Bentonville]

Adjutant General's Regiment History

Frederick Dyer's Regimental History

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Organization of 3 Month Regiment
7th Infantry Field & Staff	Non-Commissioned Staff	Band
The 3-month Regiment did not contain Unassigned Recruits or Unassigned Substitute/Drafted Recruits.

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Link to Roster	Link to County of Origin
Company A Company B Company C Company D Company E Company F Company G Company H Company I Company K	Kane County Sangamon County Sangamon County Sangamon County Sangamon County Sangamon County Sangamon County Sangamon County Sangamon County Sangamon County

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7th Illinois Infantry Regiment  Three Year Service

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Organization of 3 Year Regiment
7th Infantry Field & Staff	Non-Commissioned Staff	Band	Unassigned Recruits
The 3-year Regiment did not contain Unassigned Substitute/Drafted Recruits.

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Link to Roster	Link to County of Origin
Company A Company B New Company B Company C Company D New Company D Company E Company F Company G New Company G Company H Company I Company K	Kane County Coles County Peoria & Stark counties Kane County Alexander, Logan, & Montgomery counties Pike County Logan County Macoupin County Fayette & Sangamon counties Pike County Logan County Sangamon County Macoupin County

Company G Note: The roster of enlisted men of the original Company G does not appear in the former printed reports. No muster-in or muster-out rolls of this company are on file in this [AG] office. The roll of the compnay has been made from best sources at hand.

Company K Note: The original muster-in and muster-out rolls of Company K are not on file in this ofice, and this roster is prepared from the records at hand.

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