The by-election was caused by the appointment of the sitting LiberalMP, Sir David Brynmor Jones, KC to be Recorder of Merthyr Tydfil.[1] Under the Parliamentary rules of the day, if he wished to remain an MP, he was required to resign and fight a by-election.
Candidates
The Swansea District Liberals re-selected Jones. At the general election of January 1910 he had been returned with the substantial majority of 6,073 votes over his Unionist opponent.[2]
The result
There being no other candidates putting themselves forward, Brynmor Jones was returned unopposed.[3]
^Craig, F. W. S. (1974). British parliamentary election results 1885-1918 (1 ed.). London and Basingstoke: The Macmillan Press Ltd. ISBN9780333169032. Page 462