Comprises of leases, conveyances, agreements, marriage settlements and wills, legal papers and correspondence, relating to the Ryan and Hallowes families amd concerning property in counties Wicklow and Wexford, and to the mining of copper and ochre, mainly by the Hibernian Mining Company, at Ballymurtagh and Ballygahan, county Wicklow. Other companies represented in this collection include the Wicklow Copper Mine Company, the Irish Ochre and Mineral Company, the Arklow Manure Company, the Via Cellia Colour Company and the Minerial Grinding Company.