See John Ball's site Welsh Churches and Chapels Collection for a photograph/data re St Cadoc's Church
Church and chapel data from The Religious census of 1851 : A Calendar of the returns relating to Wales, Vol 1, South Wales. Ed. by I.G Jones, & D. Williams. UWP, Cardiff, 1976. The names given towards the end of each entry are those of the informants. Check with Gwent RO to see what extant records are held, and possible names of chapels/churches established after 1851.
Llangattock-Vibon-Avel Parish; Statistics; Area 4194 acres; Population 283 males, 235 females, total 518
- Llangattock Vibon Avel Parish Church Attendance - morning 48 + 20 scholars "The Church of Llangattock-Vibon-Avel is in a bad state of repair and is about to be rebuilt" 1 service in English William Vaughan Yarworth, Officiating Minister
- Llanvenair Chapel, C of E Attendance - morning 30 "No Day or Sunday School.....Chapel of Ease to Llangattock Vibon Avel....Services morning and afternoon on Sundays alternately- without cure of souls.....The attendance may be considered good taking into account the few houses there and the scattered population" 1 service in English Robert Chatto, AM., Curate