Statistics for occurrence #1 of “Illinois” in year 1861, month May, day 10 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

... opening of the Tennessee Legislature on the 25th of April.--(Doc. 149.) In addition to the new Military Departments of Washington, Annapolis, and Pennsylvania, the States of Ohio, Indiana, and Illinois will constitute a fourth, subdivided into several others, to be called the Department of the Ohio. Major-General McClellan, Ohio Volunteers, is assigned to its command; headquarters, Cincinnati. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Illinois (Illinois, United States) 6,200 102 0 0 0 user votes
Illinois (New Mexico, United States) 4 0 0 0 0 user votes
Illinois (Oregon, United States) 2 0 0 0 0 user votes
Illinois (Colorado, United States) 0 0 0 0 0 user votes
Illinois (Illinois, United States) 0 0 0 0 0 user votes
Illinois (New Mexico, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.