Statistics for occurrence #1 of “Rockingham” in chapter 29 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

...Yet it was noticed, that he spoke of the indispensable necessity of vigorous measures with an unusual air of languor and moderation. This appeal was successful. Of the few who belonged to the Rockingham party, Cavendish approved the measure, which was but a corollary from their own Declaratory Act. After having weighed the noble Lord's proposition well, said even Barre, I cannot help giving it my he...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Rockingham 392 82 2 0 0 user votes
Richard Rockingham 2 0 2 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.