Statistics for occurrence #1 of “Mexico” in entry sweeny-thomas-william of Harper's Encyclopedia of United States History:

...
Military officer; born in Cork, Ireland, Dec. 25, 1820; served in the war against Mexico , in which he lost an arm. In May, 1861, he was commissioned brigadier-general of volunteers, and was distinguished at Wilson's Creek, where he was severely wounded. In January, 1862, he was colonel...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mexico (Mexico, Mexico) 8,518 1,404 0 0 0 user votes
Mexico (Mexico) 1,918 122 0 0 0 user votes
Mexico (New York, United States) 45 0 1 0 0 user votes
Mexico (Indiana, United States) 8 0 0 0 0 user votes
Mexico (Kentucky, United States) 0 0 0 0 0 user votes
Mexico (Maine, United States) 0 0 0 0 0 user votes
Mexico (Maryland, United States) 0 0 0 0 0 user votes
Mexico (Ohio, United States) 0 0 0 0 0 user votes
Mexico (Ohio, United States) 0 0 0 0 0 user votes
Mexico (Pennsylvania, United States) 0 0 0 0 0 user votes
Mexico (Pennsylvania, United States) 0 0 0 0 0 user votes
Mexico (South Carolina, 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.