Some years ago, the Society began to purchase microfiche of the GRO indexes.
Contacting the General Registrar's Office (GRO) for information regarding weddings may be useful; even if they do not know the answer to your question, they may be able to direct you to the agency that can help.
Civil weddings and partnership venues must be on the approved marriage and civil partnership venues in Bournemouth listing with the GRO.
This page gives an overview of all articles in the 1911 Brittanica which are alphabetized under Gro to Gyu.