Ivor E. Ayre  (1894-1977)
Last updated: 22.06.17
According to the Internet source given below, Ivor [Jack] Ayre was a Canadian pianist and a member of the Dumbells, which entertained Canadian troops during the First World War. He continued to perform with the Dumbells when they reformed as a civilian touring group performing songs, skits and musicals across Canada, the United States and the United Kingdom.
A one-off composer, his The Dumbell Rag (1920). was said to have sold more than ten thousand copies.

Websites :
url15.gif Jack Ayre Biography by wikipedia.org.  

Further sheet music at DBE: ON HOLD