123rd Illinois Infantry Regiment
(Part of Wilder Lightning Brigade)
Three Year Service
September 6, 1862 - June 27, 1865
Regiment Mounted May 1863 - November 1864
(Recruits transferred to the 61st Regiment during June of 1865)

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Assigned to:

• Army of the Ohio: September 1862 - November 1862
• Army of the Cumberland: November 1862 - June 1865

Battles/Campaigns Engaged in:
Perryville, Tullahoma Campaign, Chickamauga, Atlanta Campaign [Resaca, Kenesaw Mountain]

Adjutant General's Regiment History

Frederick Dyer's Regimental History

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123rd Infantry Field & Staff	Non-Commissioned Staff	Unassigned Recruits
This Regiment did not have a Band 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	Coles County Cumberland County Coles County Coles County Clark & Putnam counties Clark County Clark County Coles County Coles & Fulton counties Coles County

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