Hi,
Here is some more info about the marriage,
11th October 1827 St Peter, Dorchester
Henry DAVIS
Grooms parish: Mary Le Bone, Westminster
Eliza STAYNER
Brides parish: o t p
By licence
Witnesses: John DAVIS, Charlotte STAYNER
I wonder if this could be Charlotte?
Charlotte STAYNER
Birth: 15 MAR 1805
Christening: 07 JAN 1806 Saint Peter, Dorchester, Dorset
Father: James STAYNER
Mother: Elizabeth
Hope this helps,
Daisy