Cefnmawr and Rhuddgaer and Plas Penrhyn papers

Scope and Content

Estate papers relating to the Rhuddgaer and Plas Penrhyn estate, 1823 - 1955, including plans, accounts and sale catalogues. papers relating to the Cefn Mawr estate, 1877 - 1947, Bodwrog estate, 1784 - 1895 and Quirt estate, 1881 - 1919. sale catalogues, 1858 - 1935. family papers, 1790 - 1970, including accounts and correspondence. legal papers, 1818 - 1881. papers relating to Malltraeth Marsh, 1821 - 1939. papers of the Glanrafon Slate Quarries, 1878 - 1891 and photographs, [mid 19th cent.] - 1932. The archive also includes papers relating to ships and shipping, 1868 - 1906, especially the shipping papers of W. H. Owen of Plas Penrhyn, 1825 - 1896. These papers include letters to the family from Welsh and often Anglesey sea captains reflecting life on board merchant ships during the Victorian period. See also arrangement field.

Administrative / Biographical History

Humphrey Owen (1788-1865) of Rhuddgaer, Anglesey's, second son, William Humphrey Owen (1825-1896), a sea captain, was resident in Plas Penrhyn. W.H. Owen was who was the owner or part owner of a number of Liverpool-based ships in the world trade, particularly guano to South America. Plas Penrhyn passed to his nephew, Humphrey Owen (b. 1871). Humphrey's third son, Thomas Owen (b. 1827) inherited Rhuddgaer, and married Mary Jane Gordon, daughter of John Gordon Jones of Bodwrog. Humphrey Owen of Rhuddgaer's brother was Hugh Owen (1795 - 1878), of Quirt, in the parish of Llangeinwen, Anglesey. His eldest daughter, Ann Wynn, married Richard Hughes of Cefn Mawr, Llangaffo. Their son, Richard Lloyd Hughes married his cousin, Margaret Ellen Owen, daughter of Thomas Owen (b. 1827) of Rhuddgaer. W. H. Owen


Divided into the following: Llangaffo papers; Rhuddgaer and Plas Penrhyn, Llangeinwen, papers; miscellaneous printed works; and miscellaneous photographs (listed in vol. 1); miscellaneous family papers; miscellaneous accounts, bills, and receipts; lawyers' accounts; papers re. estate management, including rents, dealings with tenants, valuations, taxation, farm improvements, papers re. Malltraeth Marsh; papers re. proposals to prospect for coal in Malltraeth Marsh; Tan Terfyn boundary dispute; papers re. Glanrafon slate quarries; papers re. building of Anglesey-Caernarfon Direct Railway; sale catalogues and related documents; papers re. ships and shipping; miscellaneous printed documents; photographs; and Bodwrog papers (listed in vol 2); family papers; general papers not concerning the estates; books and other printed material; and papers of Lt-Col T.W.L. Hughes (listed in vol. 3); miscellaneous family papers; papers re. Rhuddgaer embankment; insurance policies for Plas Penrhyn and Rhuddgaer estate; religious works; family photographs; photographs with mainly Anglesey interest; and miscellaneous items (listed in vol. 4.); Cefn Mawr estate; papers re. Quirt; letters of condolence, in memoriam cards and testamentary papers; papers re. Fleet surgeon Lloyd Thomas; papers re. the plays of H.O. Hughes; papers re. Roman coffin and coins found at Rhuddgaer, and cinerary urns at Plas Penrhyn; papers re. the poet William Watson; papers re. Richard Lloyd Hughes; papers re. Margaret Ellen Hughes; papers re. Jane Mary Hughes; papers re. Ann Dora Hughes; photographs; and miscellaneous (listed in vol. 5); Rhuddgaer and Plas Penrhyn papers; Cefn Mawr papers; and miscellaneous (listed in vol.6); daily journals; letters; and miscellaneous (listed in vol. 7); and shipping papers of W. H. Owen of Plas Penrhyn (1825-1896) (listed in vol. 8).

Access Information

Fe all eitemau sy'n cynnwys gwybodaeth am unigolion a enwir gael eu cyfyngu yn unol â Deddf Diogelu Data a pholisi Swyddfa Gofnodiadau Cyngor Sir Ynys Môn/ Items containing information on named individuals may be restricted in accordance with the Data Protection Act and Anglesey County Record Office policy.

Acquisition Information

Private deposit, between 1973 and 1981


Os gwelwch yn dda archebwch y dogfenau gan ddefnyddio y rhif cyfeirnod amgen (lle ddarperidd) / Please order documents using the alternative reference number (where provided)

Other Finding Aids

Mae copiau clawr caled o`r catalogau ar gael yn Archifau Ynys Môn ac yn y Gofrestr Cenedlaethol Archifau. Polisi Archifau Ynys Môn yw catalogio yn iaith y ddogfen./Hard copies of the catalogue are available at Archifau Ynys Môn / Anglesey Archives and the National Register of Archives. It is the policy of Archifau Ynys Môn / Anglesey Archives to catalogue in the language of the document.

Physical Characteristics and/or Technical Requirements

Cyflwr da /Good condition

Archivist's Note

Compiled by Mair James for the HMC/NLW Family and Estates project. The following source was used in the compilation of this description: Griffith, John Edwards, Pedigrees of Anglesey and Carnarvonshire Families (Wrexham, 1998 reprint).

Appraisal Information

Mae'r holl gofnodiadau sy'n cydymffurfio â pholisi casglu Swyddfa Gofnodi Cyngor Sir Ynys Môn wedi eu cadw /All records which meet the collection policy of the Anglesey Archives have been retained.


Ni ddisgwylir croniadau/Accruals are not expected