Named as a beneficiary in his father's Will (1825).
In 1841 Robert Jones, aged about 35, watch maker, was with his widowed mother in Methuselem Street Amlwch.
In 1861 Robert Jones (55) of Anglesea, unmarried, watchmaker & victualler, was living in Watchmaker's Shop, Methuselem St., Amlwch. Present was Robert's brother William Jones, servant.