Statistics for occurrence #1 of “J. Dudley” in chapter 21, page 395 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

...d Major Gucking were both hanged. Sworn in Court. J. Dudley, Assistant. 12. 8. 77. Said Jones is sentenced to be admonished, and not to drive a cart in Boston upon penalty of a severe whipping. J. Dudley , per order. On account of the popular exasperation, Capt. Gookin failed of election in May, 1676, as one of the Assistants. The General Court, however, manifested their sympathy and confidenc...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
J. Dudley Davis 2 0 0 0 0 user votes
W. J. Dudley 2 0 0 0 0 user votes
J. Dudley Whitehead 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.