The 1921 record is a bit tricky to find.   The writing of the surname is very hard to read.  I am not surprised that the transcribers had trouble.   I used the name Thelma with no surname, location Middlesex, Ontario.  
Toronto Star 14 April 1944 page 2 - Casualty lists
Wounded - Canadian Armored Corps 
Reginald Walter Dunscombe Tpr:  Mrs Thelma Dunscombe (wife) 113 Huron St, London.
RK