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.
Llangian Parish; Statistics; Area 4835 acres; Population 528 males, 633 females, total 1161
- Llangian Parish Church Attendance - morning 36, afternoon 18 "......The whole of the parish belongs to 3 proprietors to whom tenant seats are appropriated" John Hughes, Curate
- Ysgoldy Mynytho, Independent Erected 1821 Attendance - average - general congregation 250, scholars 40 J Evans, Carmel, Abersoch
- Capel-y-Nant, Calvinistic Methodists Erected 1788 Attendance - morning 135 scholars, afternoon 276, evening 135 William Jones, Deacon, Pandy Saethlon(?)
- Carmel, Mynytho, Wesleyan Methodist Erected 1840 Attendance - morning 35, afternoon 15, evening 36 Robert Jones, Wesleyan Minister
- Capel Newydd, Independent Erected 1769 Attendance - morning 73, afternoon 60, evening 15 Cadwaladr Williams, Bryncelin, Abersoch
- Talgraig, Anabaptist Erected 1810 Attendance - evening 80 Hugh Morgan, Deacon