Millet served as the head football coach at Brigham Young University (BYU) for one season in 1942, tallying a mark of 2–5.

Millet received a master's degree from the University of Southern California (USC) in 1939.

They were married by President George Albert Smith on August 13, 1934 and remained together for 66 years until Floyd's death in 2000.

According to her obituary, she "was a wonderful companion to Floyd throughout his coaching and athletic career and was always with him for the innumerable "away" games, meetings and other travels.

She was the ultimate True Blue BYU Fan, seldom missing a football or basketball game, even in her 98th year.