She became a successful musical theatre actress in New York during the 1940s and early 1950s, starring in such productions as "By Jupiter" (1942), "My Dear Public" (1943), "Jackpot" (1944), "Bloomer Girl" (1946), "High Button Shoes" (1947), "Arms and the Girl" (1950), and "Make a Wish" (1951).
В 1940-х и начале 1950-х Фабрэй в итоге стала одной из наиболее известных артистов Бродвея, исполняя ведущие роли в мюзиклах "By Jupiter" (1942), "My Dear Public" (1943), "Jackpot" (1944), "Bloomer Girl" (1946), "High Button Shoes" (1947), "Arms and the Girl" (1950) и "Make a Wish" (1951).