John A. O'Neill (c. 1837 – June 17, 1892) was an American steel engraver and Democratic Party politician.
He served as the 15th Mayor of Hoboken, New Jersey.
He served as a member of the New Jersey General Assembly in 1872; served three terms on the Hudson County Board of Chosen Freeholders in 1869, 1870, and 1873; and one term as the fifteenth mayor of Hoboken, New Jersey, from 1880 to 1881.
[3] He was appointed by President Grover Cleveland as the superintendent of the Engraving Division of the Bureau of Engraving and Printing in 1885 and served there until his death in 1892.
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