The chapel was established in 1841 at a time when Llanelli Docks were rapidly expanding and industrial development was being driven apace by entrepreneurs such as the Nevill family.
Later, he became a prominent figure within his denomination, served on two occasions as president of the Union of Welsh Independents, and he made a notable contribution to the history of Congregationalism in Wales.
[3] In 1849, Rees moved to Beaufort, Ebbw Vale and he was succeeded by David Davies, a student from Brecon Theological College, who was ordained on 3 October 1849.
"[4] Edwards presents him as a controversial figure who at times reveled in confrontation, whether, disrupting a Unitarian meeting which he considered inappropriate worship, campaigning against alcohol, or opposing Sunday burials.
Davies played a prominent role during the 1868 General Election, and was one of many nonconformist ministers who frequently spoke in favour of liberal candidates in both the Carmarthen county and borough constituencies.
[7] Following Puxley;s departure, Davies together with other nonconformist ministers from the town, mounted the platform and passed a motion of confidence in the Liberal candidate.