Statistics for occurrence #1 of “Cambridgeport” in chapter 1 of Thomas Wentworth Higginson, Olde Cambridge:

...
Old Cambridge, as it was formerly called, to distinguish it from the later settlements called East Cambridge and Cambridgeport , is one of the few American towns that may be said to have owed their very name and existence to the pursuits of letters. Laid out originally by Governor John Winthrop as a fortified town,--furnish...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cambridgeport (Massachusetts, United States) 506 4 20 0 0 user votes
Cambridgeport (Vermont, United States) 0 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.