Frank M. McMahon

Frank Murray Patrick McMahon (2 October 1902 - 20 May 1986) was a Canadian oilman best known as the founder and first chairman of Westcoast Transmission Co. Ltd. whom the July 15, 1957 issue of TIME magazine called "The man who did the most to open up northwest Canada's wilderness—and convince oilmen of its treasures."

In addition, McMahon was a major racehorse owner/breeder whose Thoroughbreds competed in North America and Europe and who won the 1969 Kentucky Derby and Preakness Stakes with the U.S. Racing Hall of Fame colt, Majestic Prince.

Frank McMahon was born in the village of Moyie in the East Kootenays of British Columbia, Canada, the son of a hard-rock miner.

He attended Gonzaga University in Spokane, Washington, where he was a campus mate of Bing Crosby. As a young man, he worked as a driller for British Columbia mining companies until 1927 when he founded his own diamond-drilling contracting business which he expanded into drilling for oil and natural gas.

Frank McMahon and two brothers established West Turner Petroleums to explore and develop oil deposits in the Turner Valley Oilfields in Alberta. Their major find generated sufficient revenues and income to allow for expansion through acquisitions and exploration. He later merged two smaller companies with West Turner and formed a holding company, Pacific Petroleums Ltd.

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