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

... Commander, Pierce Crosby; Acting-Lieutenant, E. C. Merriman; Acting-Assistant Surgeon, E. H. Vose; Acting-Assistant Paymaster, W. F. Keeler: Acting-Master, John McGowan, Jr.; Acting-Ensigns, Peter Williams , C. E. Rich and C. Washburn; Acting-Master's Mates, W. H. Knowlton, T. W. Rock, Robert Clifford and David Fader; Engineers: Acting-First-Assistant, William McLean; Acting-Second-Assistants, John Maso...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Peter Williams 52 7 6 1 0 user votes
J. Peter Williams 2 0 0 0 0 user votes
Peter Williamson 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.