Church and chapel data from The Religious census of 1851 : A Calendar of the returns relating to Wales, Vol 11, North Wales. Ed. by Ieuan Gwynedd Jones, UWP, 1981. The names given towards the end of each entry are those of the informants.
Parish statistics; Area 15290 acres; Population 342 males, 343 females, total 685
- Llanmawddwy Parish Church Attendance - usual - morning 33, evening 52 Services in Welsh Informant; Hugh Evans, Registrar
- Abercywarch, Calvinistic Methodist Attendance - average - 40, and scholars 30 Information from Griffith Evans, Superintendant No signature
- Salem, Cwmcawydd, Independents Erected 1846 Attendance - average - 55, and scholars 30 Minister No signature
- Bryncoch Chapel, Wesleyan Methodists Erected 1822 Attendance - morning 43, evening 33 William Davies, Wesleyan Minister
- Bethesda, Independents Erected 1821 Attendance - morning 26, evening 53 Edward Williams, Independent Minister, Dinas Mawddwy
- Bethlehem, Independents Erected 1836 Attendance - morning 47 scholars. evening 59 Edward Williams, Independent Minister