All that can presently (March 2021) be gleaned about Minna Merry
from sheet music covers and by Internet searching is that she has been featured on just one work namely Why Can't You Do That?
(1908) music by Shirley Ilton
, words by Worton David and published by Reeder & Walsh
Is she related to Madge Merry
Surfers are welcome to contribute any further information about this performer.