From the "History of DeWitt County, Illinois - 1882" This regiment was organized at Camp Douglas, Chicago, Il, and mustered into the US service October 31, 1861. The regiment was mustered out August 14, 1865. Below are the names of those who volunteered from DeWitt County. FIFTY-FIFTH INFANTRY REGIMENT (THREE YEARS’ SERVICE) MUSTER ROLL COMPANY B Privates Jackson, John - veteran, mustered out 8/14/65 Landley, John - McElroy, Thomas - discharged 4/16/63