Statistics for occurrence #1 of “Massachusetts” in article 3 of The Daily Dispatch: February 8, 1865., [Electronic resource]:

...
The Yankee papers announce, with considerable ecstasy, that J. S. Rock, a negro lawyer of Massachusetts , has been admitted to practice in the Supreme Court of the United States, on the motion of Hon. Charles Sumner. We congratulate Mr. Rock upon the recognition of his independence by the United S...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Massachusetts (Massachusetts, United States) 30,598 12 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.