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.
Llanrhwydrys Parochial Chapelry; Statistics; Area 1143 acres; Population 85 males, 75 females, total 160
- Llanrhywdrus Chapel (Diocese of Bangor) Attached to the living of Llanrhyddlad Attendance - morning 20 Jas. Hughes, Minister
- Siloam, Calvinistic Methodist Erected 1828 Attendance - morning 73, afternoon 45 scholars John Owens, Teacher, Pen carreg
- Siloh Independents Erected 1839 Attendance - morning 37 scholars, afternoon 56, evening 30 John Roberts, Deacon, Cefn coch, Amlwch