He graduated from the United States Military Academy in 1875 and was commissioned in the 15th Infantry Regiment .
Davis was born in New York City on March 8 , 1853 , the son of James and Mary Davis .
Davis graduated from the United States Military Academy in 1875 and was commissioned in the 15th Infantry Regiment .
Davis was born in New York City on March 8 , 1853 , the son of James and Mary Davis .