Statistics for occurrence #1 of “Henry Johnson” in chapter 51 of Admiral David D. Porter, The Naval History of the Civil War.:

...Patchke; Engineers: Acting-First-Assistant, A. K. Gaul; Acting-Third-Assistants, John Westinghouse, Wesley J. Phillips and George Smith. Acting-Master, W. H. Smith; Acting-Assistant Surgeon, Henry Johnson ; Acting-Assistant Paymaster, Frank Clark; Acting-Ensigns, Thomas Nelson, Ambrose Felix and J. A. Havens; Acting-Master's Mate, G. B. Hall; Engineers: Acting-Second-Assistant, Alfred Clum; Acting-Thir...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Henry Johnson 55 5 3 1 0 user votes
Thomas Henry Johnson 4 0 0 0 0 user votes
Richard Henry Johnson 2 0 0 0 0 user votes
Henry Johnson Charles Thomas 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.