Statistics for occurrence #1 of “Rigby” in chapter 5 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 5, 13th edition.:

... Rigby
Charles Townshend pledges the ministry of Bute to tax America by the British parliament, and Resigns. at the peace...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Richard Rigby 36 14 0 0 0 user votes
Rigby 95 0 5 0 0 user votes
Alexander Rigby 6 0 0 0 0 user votes
Samuel Allen Rigby 6 0 0 0 0 user votes
William T. Rigby 4 0 2 0 0 user votes
James H. Rigby 3 0 3 0 0 user votes
Silas F. Rigby 3 0 3 0 0 user votes
George Rigby 2 0 0 0 0 user votes
Jno Rigby 2 0 0 0 0 user votes
J. H. Rigby 1 0 1 0 0 user votes
John Rigby 1 0 1 0 0 user votes
John W. Rigby 1 0 1 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.