Harry Stephenson 
Last updated: 22.06.17
All that can presently (February 2016) be gleaned about by internet searching is that Harry Stephenson is the one-off composer of Doherty Rag (1912) published by W. Doherty Piano & Organ Co. Ltd., Clinton, Ontario, Canada.
Surfers are welcome to contribute information about this composer.

Further sheet music at DBE: ON HOLD