Statistics for occurrence #1 of “Hampden” in chapter 1 of William Schouler, A history of Massachusetts in the Civil War: Volume 2:

...sand men, and those were chiefly in the large cities and towns on the seaboard counties. The volunteer, organized militia, in the great central county of Worcester, and the four western counties of Hampden , Hampshire, Franklin, and Berkshire, did not exceed one thousand men; and in the counties of Barnstable, Nantucket, and Dukes, there was not a solitary company or a military organization of any descr...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Hampden (Massachusetts, United States) 31 10 1 0 0 user votes
Hampden (Alabama, United States) 0 0 0 0 0 user votes
Hampden (Canada) 0 0 0 0 0 user votes
Hampden (New Zealand) 0 0 0 0 0 user votes
Hampden (South Australia, Australia) 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.