Papers relating to the personal life of Jonathan Davies, 1875-1957, and friends and family members, 1853-1955. Personal papers of Jonathan Davies mainly reflect his political and religious interests. The friends and family papers comprise mainly items compiled by his father and son.
Papers relating to the business and professional activities and interests of Jonathan Davies, 1859-1933, including papers relating to his role as liquidator of a number of local quarry mining companies such as the Wrysgan Slate Quarry Co. Ltd., and the Bugail Slate Co. Ltd.; papers relating to his involvement with re-developing communication and transportation infrastructure within the quarrying communities of north west Wales; and papers of Davies Brothers Slate Merchants, Porthmadog, 1863-1957.