"LLANVIHANGEL-TOR-Y-MYNYDD, a parish in the upper division of the hundred of Ragland, county Monmouth, 7 miles N.W. of Chepstow, its post town. There is no village, only a few farmhouses. The living is a rectory in the diocese of Llandaff, value £89, in the patronage of the archdeacon."
[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.
Llanvihangel-Tor-y-Mynydd Parish; Statistics; Area 1031 acres; Population 120 males, 110 females, total 230
Llanvihangel Torymynydd Parish Church Attendance - morning 45 1 service in English John Price, Rector
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 SO459021 (Lat/Lon: 51.714963, -2.784500), Llanfihangel Torymynydd which are provided by: