"LLANARTH, a parish in the lower division of the hundred of Ragland, county Monmouth, 2½ miles N.W. of Ragland, its nest town, and 5 S.E. of Abergavenny. It is situated on a tributary of the Usk, and includes the hamlet of Clytha. The living is a vicarage* in the diocese of Llandaff, value with the perpetual curacy of Bettws-Newydd annexed, £285, in the patronage of the dean and chapter. The church is dedicated to St. Teilaw. There is a Roman Catholic chapel. The parochial endowments produce nearly £60 per annum. Llanarth Court is the seat of the Herberts."
[Description(s) from The National Gazetteer of Great Britain and Ireland (1868)
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.
Llanarth Parish consisting of Llanarth and Clytha hamlet; Statistics; Area 3793 acres; Population 300 males, 310 females, total 610
Llanarth Parish Church Attendance (average) - morning 180 + 30 scholars, evening 110 2 services in English William Pain, Minister
St Mary's Catholic Chapel Erected before 1800 Attendance - morning 130, afternoon 60 Samuel Fisher, Roman Catholic Priest
Kain, R.J.P., Oliver, R.R., Historic Parishes of England and Wales: an Electronic Map of Boundaries before 1850 with a Gazetteer and Metadata [computer file]. Colchester, Essex: History Data Service, UK Data Archive [distributor], 17 May 2001. SN: 4348. Here is a gazetteer/finding aid plus a set of overview maps to accurately identify the position of parishes within the county.
You can see maps centred on OS grid reference SO375109 (Lat/Lon: 51.793202, -2.907657), Llan-arth / Llanarth which are provided by: