Holy shit. There were a whole lot of Masie movies:
Undercover Maisie (1947) Up Goes Maisie (1946) Maisie Goes to Reno (1944) Swing Shift Maisie (1943) Maisie Gets Her Man (1942) Ringside Maisie (1941) Maisie Was a Lady (1941) Gold Rush Maisie (1940) Congo Maisie (1940) Maisie (1939)