Statistics for occurrence #1 of “Jack” in chapter 14 of Admiral David D. Porter, The Naval History of the Civil War.:

...s. And here I must record the fact, in justice to the memory of a brave man, who lost his life in that engagement, that the honor of that shot belonged to Jack Matthews, captain of the No. 2 gun. Jack was an old tar, who had seen much service on men-of-war in both the English and American navies, and was always restive under the command of a volunteer officer. Jack, ever on the alert to put in ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Charles E. Jack 19 16 3 2 0 user votes
Jack 825 0 17 0 0 user votes
James Jack 33 0 1 0 0 user votes
Thomas M. Jack 32 0 4 0 0 user votes
T. M. Jack 26 0 4 0 0 user votes
E. A. Jack 12 0 0 0 0 user votes
Liverpool Jack 10 0 0 0 0 user votes
Jeremiah Jack 6 0 0 0 0 user votes
Stonewall Jack 6 0 0 0 0 user votes
— Jack 6 0 0 0 0 user votes
William Jack 5 0 1 0 0 user votes
Alonzo G. Jack 4 0 0 0 0 user votes
Charles Jack 3 3 1 1 0 user votes
E. R. Jack 2 0 0 0 0 user votes
Gofney Jack 2 0 0 0 0 user votes
Harlow Jack 2 0 0 0 0 user votes
John Jack 2 0 0 0 0 user votes
John T. Jack 2 0 2 0 0 user votes
L. Jack 2 0 0 0 0 user votes
Patrick C. Jack 2 0 0 0 0 user votes
H. Jack 1 0 1 0 0 user votes
John E. Jack 1 0 1 0 0 user votes
Thomas Jack 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.