Further thought made me skeptical that Cotton's "Riley's Daughter" could have appeared so early as 1940, no matter what YouTube says.


Two minutes of research revealed that the true date was October, 1951 - long after the song's popularity in WW2:


http://www.musiktiteldb.de/Label/Dec_F09.html

Danny Kaye's version was released the following month:

https://www.45worlds.com/78rpm/record/27822