Statistics for occurrence #1 of “Emerald Isle” in page 155 of Francis B. Carpenter, Six Months at the White House:

...mlns="http://www.w3.org/TR/xhtml1/strict"> must have been in connection with something of this kind, that he once told me this story. Some years ago, said he, a couple of emigrants, fresh from the Emerald Isle , seeking labor, were making their way toward the West. Coming suddenly, one evening, upon a pond of water, they were greeted with a grand chorus of bull-frogs,a kind of music they had never before ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Emerald Isle (Utah, United States) 4 2 0 0 0 user votes
Emerald Isle (North Carolina, United States) 6 0 0 0 0 user votes
Emerald Isle 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.