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.
Llanfihangel-y-Pennant Parish; Statistics; Area 8844 acres; Population 322 males, 343 females, total 665
Papers of the Powell Family of Ty'nllan 1802 March 31 - 1859 November 8 - details of extant records on Archives Network Wales "The Powell Family of Ty'nllan, Llanfihangel-y-Pennant in Caernarfonshire includes John Powell who died in February 1817........."