So now that Jane Morgan died I believe these two are the oldest living girl singers. Admittedly two rather minor figures and not among the giants of the 50s (and with Carson I do mean minor, as in bush league).

>>127292343 (OP)
Elisabeth Waldo was mostly a violinist and arranger, but she also did vocals on some of her songs, as heard here:

https://www.youtube.com/watch?v=FPKPXp1TdmM

She certainly wasn't a traditional crooner, though. But she had formal vocal training, so she wasn't a novice, either.

>>127292343 (OP)
at least in the English speaking world I don't care if there is some huehue singer from the 50s who just turned 99 or something

>>127292343 (OP)
JPM is more famous for something she did outside of music and well after the 50s.