Statistics for occurrence #1 of “J. H. Morrison” in chapter 20 of Admiral David D. Porter, The Naval History of the Civil War.:

... Lieutenant-Commander, C. H. B. Caldwell; Actting-Masters, Edward Jones, Amos Johnson and S. Nickerson; Assistant Surgeon, Heber Smith; Assistant Paymaster, A. J. Pritchard-Second-Assistant Engineer, J. H. Morrison ; Third-Assistant Engineers, T. M. Jones, John Borthwick and E. A. Magee; Acting-Masters' Mates, N. Alexander and W. E. Bridges. Acting-Lieutenant-Commander, S. E. Woodworth; Acting-Masters, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
J. H. Morrison 21 6 5 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.