I cannot see this person in 1921, I wonder if he is relevant to that entry
Births Jun qtr 1919
Cook Neville Henry mmn Merrett
Gloucester 6a 397
Don’t know if there’s any connection
GloucesterBMD have these entries with an additional entry for Georgina only
COOK Georgina Elsie MERRETT 1917 Gloucester Gloucester, Northern 11 118
COOK Georgina Elsie BUTLER 1917 Gloucester Gloucester, Northern 11 118
COOK Neville Henry MERRETT 1919 Gloucester Gloucester, Northern 12 260
COOK Leslie BUTLER 1921 Gloucester Gloucester, Northern 15 80
COOK Daniel BUTLER Elsie Alberta Gloucester All Saints  1917 23 No 4 258
Daniel COOK married 17 Feb 1917 All Saints Gloucester on m/c Elsie Alberta BUTLER widow
father Albert MERRETT
No Neville Henry Cook with Daniel, Elsie Alberta, Georgina Elsie & Leslie Cook on 1921