Statistics for occurrence #1 of “McClernand” in chapter 6.81 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...he Gulf. On the 15th he took command of the department, Butler then formally taking leave of the troops. His orders were to move up the Mississippi, in order to open the river, in cooperation with McClernand 's column from Cairo. Banks was to take command of the combined forces as soon as they should meet. On the 16th General Grover, with 12 regiments and a battery, without disembarking at New Orlea...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
John A. McClernand 2,049 164 51 2 0 user votes
McClernand 941 0 155 0 0 user votes
J. A. McClernand 348 0 6 0 0 user votes
Jonathan A. McClernand 108 0 0 0 0 user votes
John Alexander McClernand 40 0 6 0 0 user votes
Generals McClernand 20 0 0 0 0 user votes
Geas McClernand 6 0 0 0 0 user votes
Gen McClernand 4 0 0 0 0 user votes
John McClernand 2 0 2 0 0 user votes
Gen John A. McClernand 1 0 1 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.