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Glamorgan Archives
Mathew family, of Radyr and Llandaff, papers

Reference code(s): GB 0214 DMAT

Held at: Glamorgan Archives

Title: Mathew family of Radyr and Llandaff papers

Short Title: Mathew family, of Radyr and Llandaff, papers

Creation date(s): 1655-[c. 1968]

Level of description: Fonds

Extent: 0.12 cubic metres (300 items)

Name of creator(s): Mathew family of Radyr, Llandaff, and Thurles, Ireland


Administrative/Biographical history: The first member of the Mathew family to use the surname was David Mathew (fl. 1461), son of Mathew ab Ieuan (fl. 1381-97) and Jonet, heiress of Jenkin (or Richard) Fleming of Llandaff. Mathew ab Ieuan was reputedly son of Ieuan ap Gruffudd and his wife Cecil, daughter and heiress of Aedan ap Llywelyn ap Cynfrig (or Cynwrig). David Mathew left seven sons, several of which founded cadet branches of the Mathew family. The descendants of Reinborn, the eldest son, held Llandaff Court, Glamorgan, until the death of Thomas Mathew (1741-1820), who is said to have ruined the estate. He left Llandaff Court to his wife's nephew. The Mathew family of Radyr (otherwise Aradur, Radur), Cardiff, Glamorgan, was founded by Thomas Mathew (d 1470), the fourth son of David Mathew of Llandaff (fl. 1461), who married Catherine, reputedly daughter and co-heiress of Morgan ap Llywelyn ap 'Evan-Gethyn' (or Ieuan Gethin), lord of Radyr. Their descendant George Mathew (d 1636) of Radyr sold the Radyr estate, and emigrated to Thurles, County Tipperary, Ireland. The Mathew family of Thurles and Thomastown ended in the male line with George Mathew (d c. 1760), who left his Irish and Welsh estates, including Thurles and Llandaff, to his kinsman Thomas Mathew (d 1777) of Annefield. Thomas was succeeded by his son and heir Francis Mathew (1738-1806) of Thurles Castle who was created Baron Llandaff of Thomastown (Irish peerage) in 1783, Viscount Llandaff in 1793 and Earl Llandaff in 1797. He was succeeded by his son, Francis James Mathew (1768-1833), on whose death the titles became extinct. He had already sold his Glamorgan estates in 1818, having broken the entail upon them. The bulk of the estate was bought by Sir Samuel Romilly, but part was conveyed to Anthony Mathew (d 1825) of Ty Mawr, Whitchurch, Cardiff, a kinsman of the earl, and agent for the Llandaff estate. Anthony Mathew died without issue and intestate. Administration was granted to his niece and co-heir Elizabeth (née John, d 1851), wife of William Mathew of Fairwater, Cardiff. One of William Mathew's sisters, Eleanor, married William Alexander of St Athan, Glamorgan, and their daughter Eleanor (d 1900), who married Job Davies of Fairwater (d 1876) in 1851, was administrator of her aunt Elizabeth Mathew's will.


Scope and content/abstract: Family and personal papers relating to individuals from several branches of the Mathew family, including Mathew of Llandaff, Mathew of Radyr, and Mathew of Thurles, 1710-1868, and the Alexander and Davies families of Fairwater, 1783-1929; pedigrees and genealogical notes, 1833-[c. 1968]; estate papers including records of the manor of Llandaff, 1740-1773, rentals, 1747-1843, plans, 1773-1909, deeds, 1655-[c. 1900], relating in particular to the parishes of Llandaff, 1711-[c. 1900], and Whitchurch, 1752-1875; and parochial records, 1743-1853, including poor rate, land tax and highway rate assessments for the parishes of Llandaff, 1743-1853, and Whitchurch, 1778-1819.


Language/scripts of material: English

System of arrangement: Arranged into the following: family and estate papers, sub-divided by family, individual and estate; deeds, sub-divided by parish; plans; pedigrees and genealogical notes; parochial records; and miscellaneous.

Conditions governing access: No restrictions

Conditions governing reproduction: Normal Glamorgan Archives conditions apply.

Finding aids: A full version of the catalogue can be searched online at


Appraisal, destruction and scheduling information: All records deposited at Glamorgan Record Office have been retained.

Accruals: Accruals are not expected.

Archival history:

Immediate source of acquisition:


Related material: A manuscript account of the claim of the Earl of Llandaff to the manor of Llandaff, 1810, is National Library of Wales MS 11158F.


Note: Title supplied from contents of fonds.

Archivist's note: Compiled by Stephen Benham for the HMC/NLW Family and Estates project. The following sources were used in the compilation of this description: Clark, George T., Limbus Patrum Morganiae Glamorganiae, (London, 1886); Complete Peerage, vol. V (London, 1887-1898); Glamorgan Record Office, Catalogue of Records for the Mathew family of Radyr and Llandaff.

Rules or conventions: This description follows ANW guidelines based on ISAD(G) second edition, AACR2 and LCSH.

Date(s) of descriptions: March 2002; minor amendments June 2005

Alexander family, | of Fairwater | Archives
Davies family, | of Fairwater, Cardiff | Archives
Deeds | Wales | Llandaff
Estate administration | Wales | Llandaff
Mathew family, | of Llandaff | Archives
Mathew family, | of Radyr | Archives
Mathew family, | of Thurles | Archives
Parish councils (Local government) | Wales | Glamorgan
Rentals | Wales | Llandaff

Personal names
Alexander family , of Fairwater
Davies family , of Fairwater
Mathew family , of Llandaff
Mathew family , of Radyr
Mathew family , of Thurles

Corporate names

Fairwater (Cardiff, Wales)
Llandaff (Wales)
Thurles (Ireland)
Whitchurch (Cardiff, Wales)

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