This may be her

Name: Dorothy Hale
Year of Registration: 1899
Quarter of Registration: Jan-Feb-Mar
District: Westbury On Severn
County: Gloucestershire
Volume: 6a
Page: 306

I assume the marriage cert is the source of your info

Name: Dorothy E Hale
Spouse : Harry Smith
Date of Registration: Oct-Nov-Dec 1920
Registration district: Westbury-On-Severn
Registration county (inferred): Gloucestershire
Volume Number: 6a
Page Number: 686

Name: Harry Smith
Mother's Maiden Surname: Hale
Date of Registration: Oct Nov Dec 1921
Registration district: Maidstone
Registration county: Surrey,Kent
Volume Number: 2a
Page Number: 1496