1912 Carmarthen District by-election

The sitting Liberal MP, W. Llewelyn Williams was appointed Recorder of Swansea, and required by the laws at the time, to seek re-election in a by-election.

However at the previous General Election, there was a contest; Forty-five-year-old Llewelyn Williams was a local man having been born in the Towy Valley.

He built a career in south Wales as a journalist before being called to the Bar from Lincoln's Inn in 1897.

Politically, he has opposed the Boer War, was a supporter of Disestablishment of the Church in Wales and a Welsh Nationalist.

The Liberal comfortably held the seat but with a reduced majority; In February 1915, Williams was appointed Recorder of Cardiff and required to face another by-election, in which he was returned unopposed.