Statistics for occurrence #1 of “Groton” in chapter 25, page 623 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

...
Groton 21 July 1706, when Nathaniel Healy of Newton, one of his company, was waylaid and slain, together with John Myrick and Ebenezer Seager, also of Newton, as they were going to meeting on the Sabbath da...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Groton (Massachusetts, United States) 461 146 23 0 0 user votes
Groton (Connecticut, United States) 25 0 11 0 0 user votes
Groton (New York, United States) 7 0 3 0 0 user votes
Groton (New Hampshire, United States) 0 0 0 0 0 user votes
Groton (Ohio, United States) 0 0 0 0 0 user votes
Groton (Ohio, United States) 0 0 0 0 0 user votes
Groton (South Dakota, United States) 0 0 0 0 0 user votes
Groton (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.