The parish of Llanddewi was created on 5 February 1867, from the southern part of the parish of Llangernyw. It comprised the townships of Bodrach, Nannerth, Pantymanus, and portions of Pentrewern, Rhanhir and Hafodunos. The parish reverted to Llangernyw in 1974.
Ordnance Survey reference SH 862648.
The church, which was dedicated to St. David, was consecrated on 26 July 1867.
It was closed in 1963, and has now been converted for use as a private residence.
Nonconformist places of worship for Llanddewi may have been included in the "Welsh Church Commission - County of Denbigh - The Statistics of the Nonconformist Churches for 1905" under the Civil parish of Llangernyw. Details will be found on the parish page for Llangernyw.
The following Parish Registers have been deposited at the National Library of Wales, Aberystwyth.
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.
1871 - 1955
No Bishop's Transcripts have been deposited for St. David's, Llanddewi.
There are no official I.G.I. entries for St. David's, Llanddewi.
Having been formed from townships of the parish of Llangernyw, the parish of Llanddewi was assigned to the No. 1 ("Llanrwst") sub-district of the Llanrwst Registration District; which was co-extensive with the Llanrwst poor law Union.
In the GRO indexes to civil registration, entries for Llanddewi are in the format :
Years 1851 - 1930: Llanrwst 11b. nnn
(GRO index references have no relevance at the local Superintendent Registrar's Office)