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.
Llangwstenin Parish; Statistics; Area 1314 acres; Population 327 males, 330 females, total 657
- Llangwstinin Parish Church Rebuilt 1843 Attendnace - no figures given Services in Welsh E Roberts, Minister
- Ainon Chapel, Particular Baptist Erected 1815 Attendance - morning 70 scholars, afternoon 120, evening 160 Thos Rees Davies, Baptist Minister, Glanwddau, nr Mochdre
- Bryn Chapel, Calvinistic Methodist Connection Erected 1819 Attendance - morning 83 scholars, afternoon 150, evening 66 scholars Robert Roberts, Elder, Pabo Bach
- Morfa, Welsh Calvinistic Methodist Erected 1844 Attendance - 50 + 48 scholars Elias Roberts, Deacon, Twyll y llwynog