Statistics for occurrence #1 of “Washington, Mason co., Ky.” in alphabetic letter pos=10, entry group 3, entry johnston-albert-sidney of Harper's Encyclopedia of United States History:

...
Military officer; born in Washington, Mason co., Ky. , Feb. 3, 1803; graduated at West Point in 1826; served in the Black Hawk War, and resigned in 1834. He entered the Texan army as a private in 1836 and was soon made a brigadier-general, and in 1838...
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.