The men volunteered from the following counties:
Company A from Monroe County
Company B from Sangamon County
Company C from Alexander County
Company D from Christian County
Companies E and F from Bond County
Company G, one-third from Coles County, the remainder from Edgar, Bond, Clinton and Douglas Counties
Company H from Richland and Wabash Counties
Company I from Lawrence and Sangamon Counties
Company K from Clark County
William Fleming, was part of Company F, as was Charles Johnson.