Good find Cambrian!
I have found similar details on Familysearch, but a different reference, so i thought I would put it on
here anyway :-
William H Hughes
mentioned in the record of Byatt and William H Hughes
Name William H Hughes
Event Type Marriage Registration
Registration Quarter Oct-Nov-Dec
Registration Year 1922
Registration District Conway
County Caernarvonshire
Event Place Conway, Caernarvonshire, Wales
Spouse Name (available after 1911) Byatt
Volume 11B
Page 915
Line Number 91
William H Hughes probably married one of the following people
Ellen E Byatt