William Roberts was born in the parish of Llaneilian, Anglesey in 1784. At the age of ten he was working at the Parys Copper Mine but later became a husbandman and candle maker. He received no education when he was young, but later attended the school at Amlwch port for a period of three months. At the age of 21 he was made a deacon and at 23 he began to preach and eventually became a Calvinist Methodist minister. He married Sarah Jones in 1864 and they had 7 children. He died at the age 80 in 1864.
For further biographical details, consult his biography, Cofiant y Parch. W. Roberts, Amlwch by Rev. H. Jones, Amlwch (1869).
From the guide to the Rev. William Roberts, Amlwch Family Papers, 1811 - 1906, (Bangor University)