From the GRO register there is:
MarQ 1911 Hugh S B Abbey Bristol 6a/114 Official
From the IGI a sumitted entry:
Hugh Spence Abbey Thornton
Birth 17th January 1911
Death 19080's
Father Hugh Thornton
Mother Mary Elizabeth AbbeyNo details of Submitter included.
But in the Pedigree Resource File:-
Birth 17th January 1911 St George, Bristol
Christening 16th March 1911 Holy Trinity of Kingswood Bristol
1980's Port Melbourne Australia
Burial 1980's Altona Lawn Cemetery
Father Euclid Hope Butterworth
Mother: Mary Elizabeth Abbey
Spouse Bessie Marriage See the PRF
Description 5'9" Brown Eyes Black Hair
SUBMITTER Gerald E Barnard 13 Essey Street Clontarf Queensland 4019Thought I would post these together. All dates though post 1925 are in the public domain.
There are fuller details (Notes and Sources) about the Pedigree Resource File entry via
www.familysearch.org. Search for baptism Hugh Thornton in 1911 in England. There maybe somebody who is more familiar with getting at this material.

Reiver