[6] He was a member of three United States men's national artistic gymnastics teams for the Olympics from 1932 through 1948.

[6] He won an Olympic silver medal in 1932 for the men's artistic team all-around.

[6] He also judged at the World Artistic Gymnastics Championships and Pan American Games.

The organization inducted Cumiskey as the first inductee to their Hall of Fame in 1972 and named it in his honor.

[10] He was married for a time to fellow Olympic gymnast, Ada Lunardoni, with whom he had three children while living in Rockleigh, New Jersey.