[1] When Rees departed to Siloah, Llanelli, in early 1842, the original proposal was abandoned but a small group of members from Ebenezer continued to hold meetings, but in the Welsh language.

Siloa was established at the very time when Aberdare was rapidly developing as an industrial settlement as a result of the growth of the steam coal trade.

[2] Siloa played an important role in the rise of political radicalism in the nineteenth century, a movement that was closely connected with nonconformity.

In 1848 a notable meeting was held at Siloa, chaired by David Williams (Alaw Goch) to protest against the evidence submitted to the commissioners preparing the 1847 Education Reports by the vicar of Aberdare, John Griffith.

[6] Several churches were established as branches of Siloa at Price's instigation, including Bethesda, Abernant, where he also served as pastor, and Bryn Seion, Cwmbach.

[10] In 1918, there was controversy over a decision by the church to withhold contributions to the Bala-Bangor Theological College owing to the pacifist views of its principal, Thomas Rees.

But the downward trend in chapel membership that was affecting the whole of Wales continued after a while and, from 1980, services have been held in the vestry due to the sharp decline in the number of churchgoers.