Statistics for occurrence #1 of “John Gray” in chapter 18, page 398 of Emilio, Luis F., History of the Fifty-Fourth Regiment of Massachusetts Volunteer Infantry , 1863-1865:

...mlns:ptext="ptext" xmlns="http://www.w3.org/TR/xhtml1/strict"> Fifty-fourth prisoners, under date of June 13, 1864, which is given hereinafter, the names of three men—Baltimore Smith, of Co. I, John Gray , of Co. F, and Samuel R. Wilson, of Co. B— appear as then living and prisoners. There is no question as to the authenticity of this list, and these three men should be, and are, here taken up...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
John Gray 64 20 4 2 0 user votes
John Gray Foster 6 0 4 0 0 user votes
John Gray Hodges 6 0 0 0 0 user votes
William John Grayson 4 0 0 0 0 user votes
John Grayes 2 0 0 0 0 user votes
John Gray Rogers 2 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.