Statistics for occurrence #1 of “J. H. Tinn” in chapter 41 of Admiral David D. Porter, The Naval History of the Civil War.:

...Peterson; Acting-Third-Assistants, R. H. Ryan and G. B. McDermott. Acting-Ensign, P. C. Asserson; Acting-Master's Mate, E. H. Schmidt: Engineers: Acting-Third-Assistants, J. A. Spaulding and J. H. Tinn . Acting-Ensigns, F. R. Webb, D. W. Carroll, E. W. Pelton, J. W. Luscomb and John Williams; Acting-Master's Mates, H. A. Winslow and A. W. Harvey: Acting-Assistant Paymaster, A. B. Thornton; ...
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