Yeah off of GRO 1931 search... 
First one Douglass , Two S's
One died in 1929:
    Name:    Mother's Maiden Surname: 
   DOUGLASS, JOHN              
GRO Reference: 1929  M Quarter in TYNEMOUTH  Volume 10B  Page 505 
and the other in 1931: Douglas , one S
    Name:    Mother's Maiden Surname: 
   DOUGLAS, JOHN              
GRO Reference: 1931  M Quarter in TYNEMOUTH  Volume 10B  Page 445