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