Diocesan records suggest that c1790 the registers went back to 1770
Parish registers: Christenings (1791-1959), Marriages (1800-09, 1813-25, 1834-1932) Banns (1809-18), Burials (1788-1887) at Pem.RO
Copy ts PR [extracts] C (1785-1829) B (1789-1886) at NLW
Bishops' Transcripts, covering the period (1799-1813, 1815-45) are at the National Library of Wales, and have been microfilmed by the LDS - Call Number: 0105206.
See Bap/Mar/Bur data on FreeReg
Dyfed FHS have published a series of indexes of baptisms, marriages and burials from Pembrokeshire hundreds for various periods.
- Blaenllyn, in Trehael [Baptists, 1842]. records ; See Llangloffan SM87772933 Built 1843, restored 1879, enlarged 1906 Still open 1998 Coflein On Dyfed FHS