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.
Criggion township statistics; Population 97 males, 92 females, total 189
- Criggion Church Erected prior to 1819 Attendance - morning 50 + 20 scholars, afternoon 20 Informant; Henry Jones
Church of St Michael and All Angels, Criggion on the Montgomeryshire Churches Survey site