Statistics for occurrence #1 of “William P. Martin” in chapter 6, section c.6.33 of Medford Historical Society Papers, Volume 5.:

... James Mott Hallowell. George W. Mills, M. D. James C. D. Clark, M. D. Samuel C. L. Haskell. George C. Tidden. Francis H. Bridge. Frederick W. Gow. James Morrison. Wm. H. Couch. William P. Martin . George W. Nichols.
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† William P. Martin 4 2 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.