All that can presently (January 2023) be gleaned about The Sisters Wynne
from sheet music covers and by Internet searching is that they were presumably a music hall act who have been featured on just one work namely Three Little Chambermaids
(1897) music by George Le Brunn
, words by A. Hall and published by Francis, Day & Hunter
, London W.C.2, England
Their portrait on the left is taken from an Ogden's bromide cigarette card.
Surfers are welcome to contribute any further information about this performer.