Bertha Mathews 
Last updated: 22.06.17
All that can presently (May 2013) be gleaned about by internet searching is that Bertha Mathews is the one-off composer of Daisy Waltz (1910) published by Stark Music Co, St. Louis, Missouri, USA.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD