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Mackay (JOHN WILLIAM American)

JOHN WILLIAM, American capitalist; born in Dublin, Ireland, Nov. 28, 1831. He came to New York City when a boy. After a miner's life in California, in 1852, he went to Nevada. In 1872 he was one of the discoverers of the Bonanza mines, of which he owned two-fifths. Their production has been enormous. In 1884, in partner- . In 1884, in in partnership with James Gordon Bennett, he laid two cables across the Atlantic. He died in 1902.