Dyfed FHS have photographs and data relating to various churches and chapels on their site
Parish registers: Christenings (1780-1881), Marriages (1806-1970), Banns (1831-1976) and Burials (1780-1915) are at the Carmarthenshire Record Office.
Copy ts PR index Christenings (1813-1986) Marriages (1806-1970) Burials (1813-1915) are at the NLW and Carm. RO
Bishops' Transcripts, covering the period (1800, 1808-35, 1880-3) are at the National Library of Wales, and have been microfilmed by the LDS.
Marriage index for this parish - see Dyfed Marriages, 1813-1837, Vol. 17 - Cathinog Hundred (Dyfed Family History Society, c1989)
See Bap/Mar/Bur data on FreeReg
Chapel (Calvinistic Methodist, c1770), village On Dyfed FHS Bethania Brechfa CM chapel - still open in 2006
St.Teilo, Brechfa---photograph and basic information from Dyfed FHS