All that can presently (March 2021) be gleaned about Lily Clarke from sheet music covers and by Internet searching is that she has been featured on just one work namely Take Your Girlie on the Steamer (1911) words & music by Bennett Scott and published by Star Music Co, Eldred, Pennsylvania, USA.
Surfers are welcome to contribute any further information about this performer.

This list is derived from information provided by Monologues.co.uk which went down sometime in 2023.
The loss of this valuable resource is very sad and a mystery.