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.
Llysfaen Parish; Statistics; Area 1900 acres; Population 397 males, 374 females, total 771
- Llysfaen Parish Church Attendance - usual - morning 30, afternoon 20 Informant; Robert Williams
- Bethel, Calvinistic Methodists Erected 1834 Attendance - morning 55 scholars, afternoon 58, evening 52 John Evans, One of the Elders, Bryniau Cochion, Llysfaen
- Wesleyan Methodists Endowed 1803 Attendance - morning 80, afternoon 86 scholars, evening 140 William Williams, Elder, Bronllau