From the marriage record you do have the names of their parents which will make searching back easier.
Lydia Frances Harper
Age = 30
Born ct 1888 at Bradford on Avon England
Married 20 June 1918 in County Norfolk
Father - Wm John Harper
Mother - Rose Price Harper
Spouse - William Bernard Godwin
Spouse's age 38 born c1880 at Bradford, England
father - Wm Herbert Godwin
Mother - Elizabeth Sheppard Godwin