Gwynfryn Deeds

Scope and Content

Deeds, wills and other records, of the Gwynfryn estate, Mostyn estate and others, 1688-1926, relating to properties in Llanystumdwy, Bangor, Clynnog, Llanllyfni, Criccieth, Botwnnog, Llanaelhaearn, Llanbeblig, Llandudno, Llannor, Llanengan, Llanfihangel-y-Pennant, Denio and elsewhere in Caernarfonshire, Llanelltyd, Trawsfynydd, Llanfachreth and elsewhere in Merionethshire, Llanfaelog and Llanidan, Anglesey, Llanrwst and elsewhere in Denbighshire, and in Cheshire, Flintshire, Pembrokeshire and Surrey; miscellaneous letters, 1822-1931, mainly relating to solicitors, including Messrs Tyrer, Kenion, Tyrer and Simpson of Liverpool; plans relating to properties in Llanfaelog and Denio, 1839-1919; papers relating to the sale of Belan, Llanfaelog, 1919; and lists and miscellaneous items, 1823-1891.

Administrative / Biographical History

Richard Ellis ([1730]-1805) of Gwynfryn, Llanystumdwy, Caernarfonshire, married Catherine, daughter of Richard Nanney of Cefndeuddwr, Merionethshire, in 1757. Their son, David Ellis Nanney (d 1819), left his estate to his nephew, Owen Jones (1790-1870) of Brynhir, Criccieth, Caernarfonshire, and of Cefndeuddwr, who assumed the additional name of Ellis-Nanney. Owen's eldest son and heir was Hugh John Ellis Nanney, created a baronet in 1897. The Gwynfryn estate had links with the Mostyn estate, Flintshire, and included land in Caernarfonshire, Merionethshire, and elsewhere in England and Wales. The estate was administered by Messrs Tyrer, Kenion, Tyrer and Simpson, Solicitors, of Liverpool, Lancashire.


Arranged into the following: Gwynfryn deeds; Mostyn deeds; miscellaneous deeds; letters; plans; and miscellaneous.

Access Information

No restrictions

Acquisition Information

No information found


Compiled by Rhys Jones for the ANW project. The following source was used in the compilation of this description: Caernarfon Record Office, Gweithredordd Gwynfryn ac eraill parthed Sir Gaernarfon, Sir Fôn a Sir Ddinbych/Gwynfryn Deeds and others relating to Caernarvonshire, Anglesey and Denbighshire, catalogue; Griffith, John Edwards, Pedigrees of Anglesey and Carnarvonshire Families (Wrexham, 1998 reprint).

Other Finding Aids

Hard copies of the catalogue are available at Caernarfon Record Office and the National Library of Wales.

Conditions Governing Use

Usual copyright regulations apply

Appraisal Information

All records have been retained


Accruals are not expected

Related Material

Further records relating to the Gwynfryn estate are in Caernarfon Record Office, XM/1761.