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.
Penrhos Parish; Statistics; Area 555 acres; Population 58 males, 54 females, total 112
- No Return for the parish church
- Ysgoldy Penrhos, Welsh Calvinistic Methodist Erected 1842 Attendance - morning 48 scholars, afternoon 83, evening 49 William Thomas, Elder, Tyn Llewelyn