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.
Llanallgo Parochial Chapelry; Statistics; Area 659 acres; Population 209 males, 221 females, total 430
- Llanallgo Parochial Chapel Attendance - evening 47 John Griffith, Rector
- Paradise, Calfinistic Methodist Erected 38 years Attendance - morning 84 scholars, afternoon 203, evening 60 Ishmael Owen, Deacon
- Big, Wesleyan Methodists Erected 1850 Attendance - morning 36 scholars "The place that we have for worship his a dwelling house. We have no regular service only every other Sunday. We have school every Sunday. We have not taken any account of the congregation at no time. It his a rented house" Robert Robarts, Manager, Lligwy Penrhos
- Carmel, Independents Erected 24 years Attendance - morning 82, afternoon 81 scholars, evening 102 Robert Lewis, Deacon