[1] In Llanelli, D.C. Parry, a Liberal member of the Council since its formation, was defeated by Gwendoline Trubshaw, who received the support of the Discharged and Demobilised Soldiers' and Sailors' Association.

[2] Other contests in Llanelli town and in the surrounding areas saw significant support for the Labour party, which captured a number of seats, building on the strong result achieved by Dr J.H.

In some cases there is an ambiguity in the sources over the party affiliations and this is explained below in relation to individual ward contests where relevant.

The aldermen who retired at the election were Lord Dynevor captured the seat previously held by J. Towyn Jones MP.

Williams gave notice that he would propose that, in future, all aldermen should seek re-election to the Council before retaining their seats on the aldermanic bench.