He transferred to the NHL in 1926 when the Rosebuds were sold to the rival league and went on to score the first goal in the history of the Chicago Black Hawks.

[2] Before the Hay brothers both joined the military ranks they had played together on the Monarchs in the Division A of the Manitoba Hockey League during the 1915–16 season.

[6] Hay joined the team in Chicago for the 1926–27 season, and on November 17, 1926, scored the first goal in the history of the Black Hawks.

[5] He completed the season in Chicago but was traded, along with Percy Traub, to the Detroit Cougars in exchange for $15,000 after its conclusion.

He served as a flight-lieutenant and instructor with the Royal Canadian Air Force until the conclusion of the war, after which he returned to his insurance business.