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Help and advice for Ystrad Mynach in the Parishes of Gelligaer and Llanfabon

If you have found a problem on this page then please report it on the following form. We will then do our best to fix it. If you are wanting advice then the best place to ask is on the area's specific email lists. All the information that we have is in the web pages, so please do not ask us to supply something that is not there. We are not able to offer a research service.

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Ystrad Mynach in the Parishes of Gelligaer and Llanfabon

Business and Commerce Records

Details of extant records on Archives Network Wales for the following;

  • Williams, E. H., and Sons, drapers, London House, Ystrad Mynach records     "Business records of E. H. Williams and Sons, including: diaries, 1904-1933; bank books, 1914-1928; purchase book, 1914-1917; cash books, 1917-1931; accounts of goods returned, 1914-1917; credit book, 1923-1936; staff attendance book, 1922-1935; catalogues and brochures, [1920s]-[1940s]; and photograph of London House, [c. 1930]."


The Glamorgan Family History Society have produced a set of microfiche containing Monumental Inscriptions for the following burial grounds :-

  • Holy Trinity Church
  • Bethania Methodist Church

You can also perform a more selective search for churches in the Ystrad Mynach area or see them printed on a map.

Church Records

For full and up-to-date details of their holdings see the sites of Glamorgan Record Office and/or West Glamorgan Archives

The church is dedicated to Holy Trinity, is in the Benefice of Ystrad Mynach with Llanbradach, and the diocese of Llandaff. Details of the present incumbent of this benefice can be found at the Church in Wales website. The church can be located at grid reference ST144942.

Anglican Parish Registers
Baptisms Marriages Burials Banns Bishops Transcripts
No Registers have been deposited yet

Description and Travel

Ystrad Mynach - on Wikipedia

You can see pictures of Ystrad Mynach which are provided by:

Historical Geography

You can see the administrative areas in which Ystrad Mynach has been placed at times in the past. Select one to see a link to a map of that particular area.

Ask for a calculation of the distance from Ystrad Mynach to another place.

Land and Property

Details of extant records on Archives Network Wales for the following;

  • Thomas family, of Llanbradach and Ystrad Mynach estates, records  "Deeds and documents relating to the Llanbradach, Ystrad Mynach and Tredomen estates in Glamorgan, [c. 1528]-[c. 1944], and to a lesser extent, Monmouthshire, 1701-1942; and to the Pencerrig estate in Breconshire, 1680-1933, and Radnorshire, 1574-1923; ..............................."


You can see maps centred on OS grid reference ST145943 (Lat/Lon: 51.640934, -3.237002), Ystrad Mynach which are provided by:


The People's Collection Wales site has material for this area, use the onsite search bo