Statistics for occurrence #1 of “Iroquois” in chapter 5 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 4, 15th edition.:

...real, by the brave Duquesne, the successor of La Jonquiere, to occupy the Ohio valley, the Indians on the banks of that river,—promiscuous bands of Delawares, Shawnees, and Mingoes, or emigrant Iroquois ,—after a council at Logstown, resolved to stay the progress of the white men. Their envoy met the French, in April, at Niagara, and gave them the first warning to turn back. As the message se...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Iroquois (New York, United States) 77 4 1 0 0 user votes
Iroquois (United States) 6 0 0 0 0 user votes
Iroquois (Canada) 0 0 0 0 0 user votes
Iroquois (Illinois, United States) 0 0 0 0 0 user votes
Iroquois (South Dakota, 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.