Background
Ginniss, John Mac was born on October 10, 1867 in Homer, Iowa, United States. Son of John and Mary B. M.
Ginniss, John Mac was born on October 10, 1867 in Homer, Iowa, United States. Son of John and Mary B. M.
Educated at Chicago.
Engaged in mining and smelting, since 1890. Owner of large copper and coal properties in Montana, Mexico, and British Columbia. President Interstate Utilities Company, Spokane, Washington, Missouri Oxide & Chemical Company, Joplin, Missouri.
President Gibraltar Gold Mines Company, Beatty, Nevada, MacGinnis Realty Company, Butte, Montana Director Transport-Pacific Latin-America Association, Los Los Angeles Defeated for United States Senate by 2 votes, 1901.
Member Democratic National Committee
Member Democratic National Committee
Married Eloise Sylvester, February 26, 1908.