Statistics for occurrence #1 of “a Mr. Corbyn” in chapter 18, page 151 of Adam Badeau, Grant in peace: from Appomattox to Mount McGregor, a personal memoir:

...oming responsibility and that it depressed him. On his arrival at Washington he was at once beset with applications for office, and advice for his own behavior and policy. One of his acquaintances, a Mr. Corbyn , who afterwards became
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† 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.