Statistics for occurrence #1 of “Billerica” in chapter 8 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

...residence upon that territory. As early, however, as 1655, there were so many householders in Shawshine, gathered from Cambridge and elsewhere, that they were incorporated as a distinct town, named Billerica , and an amicable arrangement was made by them with the inhabitants of Cambridge, in regard to their respective territorial rights and liabilities. The Town Records, Jan. 29, 1654-5, show that In ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Billerica (Massachusetts, United States) 452 268 6 0 0 user votes
Billerica (Massachusetts, United States) 4 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.