Illinois Union Regiments

7th Illinois Infantry (3 months service) 
7th Illinois Infantry (3 years service) 
8th Illinois Infantry (3 months service) 
8th Illinois Infantry (3 years service) 
9th Illinois Infantry (3 months service) 
9th Illinois Infantry (3 years service) 
9th Illinois Infantry (Consolidated) 
10th Illinois Infantry (3 months service) 
10th Illinois Infantry (3 years service) 
11th Illinois Infantry (3 months service)
11th Illinois Infantry (3 years service) 
12th Illinois Infantry (3 months service) 
12th Illinois Infantry 
13th Illinois Infantry 
14th Illinois Infantry 
15th Illinois Infantry 
Veteran Illinois Battalion, 14th & 15th Infantry 
14th Illinois Infantry (Reorganized, 3 years service)
15th Illinois Infantry (Reorganized) 
16th Illinois Infantry 
17th Illinois Infantry 
18th Illinois Infantry 
18th Illinois Infantry (Reorganized) 
19th Illinois Infantry 
20th Illinois Infantry 
21st Illinois Infantry 
22nd Illinois Infantry 
23rd Illinois Infantry
23rd Illinois Infantry (Consolidated) 
24th Illinois Infantry 
25th Illinois Infantry 
26th Illinois Infantry 
27th Illinois Infantry 
28th Illinois Infantry 
28th Illinois Infantry (Consolidated) 
29th Illinois Infantry 
30th Illinois Infantry 
31st Illinois Infantry
32nd Illinois Infantry 
33rd Illinois Infantry 
34th Illinois Infantry 
35th Illinois Infantry 
36th Illinois Infantry 
37th Illinois Infantry 
38th Illinois Infantry 
39th Illinois Infantry 
40th Illinois Infantry 
41st Illinois Infantry
41st Illinois Infantry Veteran Battalion 
42nd Illinois Infantry 
43rd Illinois Infantry 
43rd Illinois Infantry (Consolidated) 
44th Illinois Infantry 
45th Illinois Infantry 
46th Illinois Infantry 
47th Illinois Infantry 
47th Illinois Infantry (Consolidated) 
48th Illinois Infantry
49th Illinois Infantry 
50th Illinois Infantry 
51st Illinois Infantry 
52nd Illinois Infantry 
53rd Illinois Infantry 
54th Illinois Infantry 
55th Illinois Infantry 
56th Illinois Infantry 
57th Illinois Infantry 
58th Illinois Infantry
58th Illinois Infantry (Consolidated) 
59th Illinois Infantry 
60th Illinois Infantry 
61st Illinois Infantry 
62nd Illinois Infantry 
62nd Illinois Infantry (Consolidated) 
63rd Illinois Infantry 
64th Illinois Infantry 
65th Illinois Infantry 
66th Illinois Infantry
67th Illinois Infantry 
68th Illinois Infantry 
69th Illinois Infantry 
70th Illinois Infantry 
71st Illinois Infantry 
72nd Illinois Infantry 
73rd Illinois Infantry 
74th Illinois Infantry 
75th Illinois Infantry 
76th Illinois Infantry
77th Illinois Infantry 
78th Illinois Infantry 
79th Illinois Infantry 
80th Illinois Infantry 
81st Illinois Infantry 
82nd Illinois Infantry 
83rd Illinois Infantry 
84th Illinois Infantry 
85th Illinois Infantry 
86th Illinois Infantry
87th Illinois Infantry 
88th Illinois Infantry 
89th Illinois Infantry 
90th Illinois Infantry 
91st Illinois Infantry 
92nd Illinois Infantry 
93rd Illinois Infantry 
94th Illinois Infantry 
95th Illinois Infantry 
96th Illinois Infantry
97th Illinois Infantry 
98th Illinois Infantry 
99th Illinois Infantry 
99th Illinois Infantry (Consolidated) 
100th Illinois Infantry 
101st Illinois Infantry 
102nd Illinois Infantry 
103rd Illinois Infantry 
104th Illinois Infantry 
105th Illinois Infantry
106th Illinois Infantry 
107th Illinois Infantry 
108th Illinois Infantry 
109th Illinois Infantry 
110th Illinois Infantry 
110th Illinois Infantry (Consolidated) 
111th Illinois Infantry 
112th Illinois Infantry 
113th Illinois Infantry 
114th Illinois Infantry
115th Illinois Infantry 
116th Illinois Infantry 
117th Illinois Infantry 
118th Illinois Infantry 
119th Illinois Infantry 
120th Illinois Infantry 
121st Illinois Infantry 
122nd Illinois Infantry 
123rd Illinois Infantry 
124th Illinois Infantry
125th Illinois Infantry 
126th Illinois Infantry 
127th Illinois Infantry 
128th Illinois Infantry 
129th Illinois Infantry 
130th Illinois Infantry 
131st Illinois Infantry 
131st Illinois Infantry (Consolidated) 
132nd Illinois Infantry 
133rd Illinois Infantry
134th Illinois Infantry 
135th Illinois Infantry 
136th Illinois Infantry 
137th Illinois Infantry 
138th Illinois Infantry 
139th Illinois Infantry 
140th Illinois Infantry 
141st Illinois Infantry 
142nd Illinois Infantry 
143rd Illinois Infantry
144th Illinois Infantry 
145th Illinois Infantry 
Alton Battalion 
146th Illinois Infantry 
147th Illinois Infantry 
148th Illinois Infantry 
149th Illinois Infantry 
150th Illinois Infantry 
151st Illinois Infantry 
152nd Illinois Infantry
153rd Illinois Infantry 
154th Illinois Infantry 
155th Illinois Infantry 
156th Illinois Infantry 
1st Illinois Cavalry 
2nd Illinois Cavalry 
2nd Illinois Cavalry (Consolidated) 
3rd Illinois Cavalry 
3rd Illinois Cavalry (Consolidated) 
4th Illinois Cavalry
5th Illinois Cavalry 
6th Illinois Cavalry 
7th Illinois Cavalry 
8th Illinois Cavalry 
9th Illinois Cavalry 
10th Illinois Cavalry 
10th Illinois Cavalry (Reorganized) 
11th Illinois Cavalry 
12th Illinois Cavalry 
13th Illinois Cavalry
14th Illinois Cavalry 
15th Illinois Cavalry 
16th Illinois Cavalry 
17th Illinois Cavalry 
1st Illinois Light Artillery 
2nd Illinois Light Artillery 
Campbell's Light Battery 
Chicago Board of Trade Battery 
Chicago Mercantile Battery 
Springfield Light Artillery
Cogswell's Light Battery 
Renwick's Elgin Light Battery 
Henshaw's Battery 
Bridges' Light Battery 
Colvin's Light Battery 
Chapman's Light Battery 
Sturgis Rifles 
Irish Dragoons 
29th US Colored Infantry 
Military Guard at Camp Butler
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