 The Calvinist Siloa Chapel in Cwmefyn was built in 1866, as part of a series of churches founded by Azariah Shadrach in north Ceredigion in the Congregational Church of Salem Coedgruffydd.It was known locally as Capel Ucha (the Higher Chapel) to distinguish it from the Bethlehem Presbyterian chapel further down the village, known as Capel Isa (the Lower Chapel).The first minister of the church was Reverend W. Jansen Davies.