All that can presently (August 2021) be gleaned about Sadie Simpson from sheet music covers and by Internet searching is that she was featured on 2 works published between 1904 and 1905.
Surfers are welcome to contribute any further information about this performer.
This list is arranged by composer and contains 2 songs sung by Sadie Simpson who is featured on sheet music covers.
It does not claim to be complete and represents only the number of items located. Keys:(w&m)