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.
Parish statistics; Area 10701 acres; Population 819 males, 826 females, total 1645
- Llanwnnog Parish Church Attendance - average - morning 200 + 50 scholars, evening 80 + 40 scholars Services in Welsh David Jones, Vicar
- Sion, Congregationalist Erected 1827 Attendance - afternoon 30 + 50 scholars John Owen, Minister, Crescent Place, Newtown
- Calvinistic Chapel, Calvinistic Methodist Erected 1825 Attendance - morning 80 scholars, afternoon 120 Thomas Richards, Deacon, Grocer, Caersws, Llanwnog
- Caersws Chapel, Baptist Erected c 1820 Attendance - morning 40, afternoon 80 scholars, evening 250 Jacob Nicholas, Pastor, Baptist Minister
- Saron Chapel, Llanwynog, Calvinistic Methodists Erected 1821, re-erected 1850 Attendance - morning 90, afternoon 96 scholars, evening 100 "There is a school held in each of the three branches at the same time. That school is held in chapel and a service occasional" Evan Jones, Deacon, Parc-y-rhiw
- Shilo, Llanwynog, Wesleyn Methodist Erected 1847 Attendance - morning 30 scholars, afternoon 72 + 21 scholars Evan Richards, Wesleyan Minister