Where was Henry Blair born?

The United States of America (also called the United States, the U.S., the USA, America, and the States), the federal constitutional republic comprising fifty states and a federal district

North America (the continent which includes Mexico and ranging from Panama to the northern-most parts of Canada)

Maryland, the American state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east