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.
Gyffin Parish; Statistics; Area 3705 acres; Population 347 males, 326 females, total 673
- Gyffin Parish Church Attendance - usual - morning 70, afternoon 25, evening 70 Services in Welsh Informant; T C Owen
- Tanybwlch Chapel, Calvinistic Methodist Erected 1821 Attendance - morning 64 scholars, afternoon 118, evening 41 Richard Roberts, Elder, Llechau Isaf