Statistics for occurrence #1 of “Chelmsford” in chapter 29 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 7, 4th edition.:

...these there were twenty-five minute men from Bedford, with Jonathan Wilson for their captain; others were from Westford, among them Thaxter, a preacher; others from Littleton, from Carlisle, and from Chelmsford . The Acton company came last, and formed on the right. The whole was a gathering not so much of officers and soldiers, as of brothers and equals; of whom every one was a man well known in his vil...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chelmsford (Canada) 0 0 0 0 0 user votes
Chelmsford (Massachusetts, United States) 0 0 0 0 0 user votes
Chelmsford (United Kingdom) 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.