John Q. Cannon (1857–1931), American newspaper editor and general authority of The Church of Jesus Christ of Latter-day Saints
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John Canon (died 1798), founder and namesake of Canonsburg, Pennsylvania
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In 1966, at the age of twenty-seven, he obtained one of his most memorable parts, as Billy Blue Cannon, the blond-haired, blue-eyed son of the ranch patriarch, John Cannon (Leif Erickson) on The High Chaparral, set in the Arizona Territory.