"LLANHIDDEL, (or Llanhilleth), a parish in the upper division of the hundred of Abergavenny, county Monmouth, 4 miles N.W. of Pontypool, its post town, and 12 from Usk. It is situated on the river Ebwy. The Aberbeeg station of the Western Valleys line of railway is about 1 mile N.W. of the village. Coal is obtained here. The living is a rectory in the diocese of Llandaff, value £109. The church is dedicated to St. Iltyd. The Independents and Baptists have each a chapel. Here are some very ancient yew trees, also traces of a British camp and other remains."
[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.
Llanhilleth Parish; Statistics; Area 2013 acres; Population 509 males, 390 females, total 899
Llanhilleth Parish Church Attendance - morning 14 +31 scholars, afternoon 12 2 services, 1 in Welsh James Hughes, Rector
Crumlin Church of England Licensed Schoolroom Licensed 1846 Attendance - evening 30 + 20 scholars James Hughes, Licensed Minister
Wesleyan Chapel Erected 1850 Attendance - morning 16, afternoon 14 Henry Crook, Local Preacher, Mellon Sq, Commercial St, Newport
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 SO217008 (Lat/Lon: 51.700417, -3.134434), Llanhiledd / Llanhilleth which are provided by: