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The ecclesiastical parish of Trefnant was created, by an order in Council, on 21 January 1855, out of part of the ancient parish of Henllan. It consists of the townships of Llewenni Isaf, Llewenni Uchaf, Banister Isaf and Banister Uchaf.
In 1975, a small portion of the south of the parish went to the parish of Denbigh.

Church History

Ordnance Survey reference SJ 050705.
The foundation stone of the church was laid on 25 July 1853; and the church, dedicated in the name of the Holy Trinity, was consecrated on 16 August 1855. Various additions were made in 1905.

The Clwyd FHS website has a photograph of the church.

Nonconformist Churches "Welsh Church Commission - County of Denbigh - The Statistics of the Nonconformist Churches for 1905"lists the following nonconformist place of worship in the Civilparish of Trefnant :

Name of Chapel Denomination Number of "adherents"
Not named Calvinistic Methodists 235

Church Records

Parish Registers

  • The following Parish Registers have been deposited at the Denbighshire Record Office, Ruthin.
    They may be viewed on microfilm at the Denbighshire and Flintshire Record Offices, and at the National Library of Wales, Aberystwyth.
    These microfilms are not available elsewhere.
Baptisms Marriages Burials
1855 - 1920 1855 - 1975 None

Bishop's Transcripts

  • No Bishop's Transcripts have been deposited for Holy Trinity, Trefnant.


  • There are no official I.G.I. entries for Holy Trinity, Trefnant.

Civil Registration

The new parish of Trefnant was assigned to the St. Asaph Registration District.

In the GRO indexes to civil registration, entries for Trefnant are in the format :

  • Years 1837 - 1851: St. Asaph XXVII. nnn
  • Years 1851 - 1930: St. Asaph 11b. nnn

(GRO index references have no relevance at the local Superintendent Registrar's Office)

Description and Travel

You can see pictures of Trefnant which are provided by:

Trefnant - on wikipedia

Historical Geography

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


You can see maps centred on OS grid reference SJ052706 (Lat/Lon: 53.223947, -3.421450), Trefnant which are provided by:
View maps covering the area of this parish and places within its boundaries

On Clwyd FHS's site there is a diagram showing parish names/positions with links to pages for the parish church

Kain, R.J.P., Oliver, R.R., Historic Parishes of England and Wales: an Electronic Map of Boundaries before 1850 with a Gazetteer and Metadata [computer file]. Colchester, Essex: History Data Service, UK Data Archive [distributor], 17 May 2001. SN: 4348.   Here is a gazetteer/finding aid plus a set of overview maps to accurately identify the position of parishes within the county


  • In 1831- this was not a separate parish.
  • In 1901- the population was 679.
    [ Royal Commission on the Welsh Church - October 1907]


  • Archdeacon Thomas gives the area of the parish as 2998 acres.
    [ The History of the Diocese of St. Asaph , 1908-1913, Ven. D.R. Thomas]