Kendall along with other investors, formed the Club Athletique Canadien, and promoted wrestling, boxing, hockey and other sports.
An entrepreneur at heart, in 1905 the fluently bilingual "George Kennedy" and friend Joseph-Pierre Gadbois founded Le Club Athlétique Canadien (CAC) to train and develop amateur wrestlers, later adding boxing matches to their promotions.
In October 1910, Kendall contacted Frank Calder, then the Montreal Herald sports editor, and announced that he wanted an NHA franchise, intending to purchase the Canadiens.
In 1915, Kendall purchased the rights to distribute the film of the World Heavyweight Boxing Championship in which Jess Willard dethroned champion Jack Johnson.
The NHA's championship trophy, the O'Brien Cup, which the Canadiens had won in 1917, would remain in the care of Kennedy until his death in 1921.
That same season, Kendall's Canadiens won the championship of the NHL and travelled to Seattle, Washington, to play off for the 1919 Stanley Cup Finals.
[8] On November 3, 1921, his widow sold the Canadiens hockey team for $11,000 to businessmen Joseph Cattarinich, Leo Dandurand and Louis A.