Born at Tan-y-coed, Pen-llin, Glamorganshire, 30 December 1817, son of Evan Williams.
He was educated at the Eagles school, Cowbridge.
He was admitted to full membership of the church at Pen-llin at the age of 18, and began to preach at the age of 21. He kept a school for a time at Brynsadler and Brychtwn, and was then engaged in trade at Cowbridge.
In 1844 he received a call to Pen-clawdd, Gower, and was ordained at the Bridgend Association, 1848.
He died 10 November 1900.
He was a popular preacher all his life, but it was as an author that he shone. His chief work is his Welsh Calvinistic Methodism. He was editor of Y Cylchgrawn, 1851-5, and a large number of articles written by him appeared in Y Drysorfa, Y Traethodydd, and Y Geninen.