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Frank M. McMahon

Frank McMahon
Born October 2, 1902
Moyie, British Columbia, Canada
Died May 20, 1986
Hamilton, Bermuda
Occupation Oil and Natural Gas Executive
Racehorse owner/breeder

Frank Murray Patrick McMahon (October 2, 1902 - May 20, 1986) was a Canadian businessman 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." [1]

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.


Early life

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.

Pacific Petroleums

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.

In 1945 McMahon founded Atlantic Oil Company and acquired rights to a part of the Leduc field, near Leduc, Alberta. After Imperial Oil's discovery of oil at Leduc in 1947, the Atlantic No. 3 well discovered oil on March 8, 1948. It was well-publicized due to the oil blowout that took six months to contain and a well fire that started in the week prior to the well being contained. The well propelled McMahon's wealth. Pacific's headquarters were set up in Calgary, Alberta.

In December, 1947, McMahon's operations began oil and gas exploration in the Peace River Region after the B.C. government opened the area to exploration.

In November, 1951, Pacific's Fort St. John No. 1 well found significant quantities of good quality oil, B.C.'s first oil discovery. In 1952 the company drilled the first of many high-producing gas wells at Fort St. John.

In about 1961 McMahon and his brother George sold their controlling interest in Pacific Petroleums to Phillips Petroleum Company. In 1977 Pacific Petroleums was purchased by Petro-Canada.

Westcoast Transmission

McMahon saw an enormous opportunity to supply natural gas to the huge United States market. In 1949 he incorporated Westcoast Transmission Co. Ltd. whose business plan included the construction of a 650-mile gas pipeline from Taylor in north-eastern British Columbia to the United States.

McMahon personally began lobbying the Canadian and American governments to remove their restrictions on the export and import of natural gas. In December, 1954, he signed a $400-million contract with Pacific Northwest Pipeline Corp. to sell natural gas into their pipeline system in the United States. In 1955 Westcoast was awarded permission from the U.S. Federal Power Commission to export gas to the U.S. Construction started the same year on the $170-million, 650-mile Westcoast Pipeline from the Peace River area to the U.S. border, to hook into the Pacific Northwest Pipeline Corp.'s six-state gas grid and to supply gas to Vancouver. The pipeline was Canada's first "big-inch" pipeline. Along with its gathering system, processing plants and compressor stations were completed in the fall of 1957.

In 1964, Westcoast Transmission built another processing plant at Fort Nelson, British Columbia in support of an additional 250 mile line to the company's new discoveries in the Canadian Northwest.

After McMahon's death in 1986, Westcoast Transmission Co. Ltd. was renamed Westcoast Energy Inc. and in 2002 Duke Energy of Charlotte, North Carolina paid $8 billion for the company.

Other business interests

In the 1950s McMahon had an interest in Alberta Distillers Ltd. In October, 1957, Time Magazine estimated his worth at $50-million and that he controlled assets in partnership with others that totalled about $500-million.

Frank McMahon's significant contribution to Canada's economic prosperity was recognized by his election to the Canadian Business Hall of Fame.

Broadway plays

In the 1950s Frank McMahon backed a number of Broadway plays in New York, including The Pajama Game and Damn Yankees.

Thoroughbred horse racing

Frank McMahon, a founding member of the Jockey Club of Canada, raced thoroughbreds on his own as well as in partnership with others.

His Frank McMahon Stable Inc. won numerous races at racetracks across Canada including the 1966 British Columbia Derby at Exhibition Park Racetrack in Vancouver and the 1970 Canadian Derby at Edmonton, Alberta's Northlands Park. His most famous horse was Majestic Prince.

Frank McMahon was inducted in the British Columbia Horse Racing Hall of Fame in 1995 in the breeders/owners category.[1]

Majestic Prince

He set up a racing stable in California with U.S. Racing Hall of Fame jockey-turned-trainer Johnny Longden. Among the horses they raced was the great Majestic Prince whose important stakes include the 1969 Kentucky Derby and Preakness Stakes. Majestic Prince was inducted into the National Museum of Racing and Hall of Fame in 1988 and was listed at No. 46. in The Blood-Horse magazine ranking of the top 100 U.S. thoroughbred champions of the 20th Century. In 1975, McMahon had another Triple Crown contender with Diabolo who finished third in both the Kentucky Derby and Preakness Stakes, and was fourth in the Belmont Stakes.

Racing partnerships

In the 1950s he was part owner of Alberta Ranches, Ltd. which won the 1953 Hollywood Gold Cup with Royal Serenade.

Together with Calgary newspaper publisher Max Bell, Frank McMahon founded the Golden West Farms thoroughbred breeding operation at Okotoks, Alberta. Among its notable wins, Golden West Farms racing stable won the 1968 Queen's Plate with Merger. In partnership with American singer, Bing Crosby, McMahon and Bell owned Meadow Court who raced in Europe where he won the 1965 Irish Derby and the King George VI and Queen Elizabeth Stakes.

McMahon also teamed up with Kentucky horseman Leslie Combs II of Spendthrift Farm to breed Crowned Prince who in 1970 became the first yearling to be sold at auction for half a million dollars. A younger brother of Majestic Prince, Frank McMahon won the bidding for Crowned Prince and sent him to race in England where he won the Dewhurst and Champagne Stakes and was the 1971 Champion two-year-old Colt in England. Leslie Combs also bred McMahon's Triple Bend, a colt who set a world record time in winning the 1972 Los Angeles Handicap.

McMahon Stadium

In 1960 Frank and brother George McMahon donated $300,000 to the then University of Alberta (Calgary), now the University of Calgary, to help build a football stadium. They also guaranteed the $750,000 balance of the $1,050,000 construction cost. It was named McMahon Stadium in their honour.

The university acquired complete ownership of the stadium and land in 1985 after the guaranteed financing was retired in 1973. The stadium is operated by the McMahon Stadium Society. Until the guaranteed financing was retired the McMahons appointed two of the six members of the society. The first treasurer of the society was the McMahons' accountant, William Macintosh.

In 2001 the McMahon brothers were named to the Calgary Stampeders Wall of Fame in the builder category.


Frank McMahon died in Hamilton, Bermuda in 1986.


  1. http://www.bchorseracinghalloffame.org/mcmahon_frank.htm [Retrieved: 31/10/2008]
  • Gray, Earle. Wildcatters : The Story of Pacific Petroleums and Westcoast Transmission (1983) Cannon Book Distributors Ltd ISBN 0-7710-3539-X
  • Canadian Who's Who, 1967–1969


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