Abraham Oakey Hall was an American politician, lawyer, and writer who served as Mayor of New York City from 1869 to 1872. He twice served as the New York County District Attorney from 1855 to 1858 and from 1862 to 1871. Born: July 26, 1826 Died: October 7, 1898 In office: January 4, 1869 – January 1, 1872 Wiki link