"KILGWRRWG, (or Kilgooroog), a parish in the upper division of the hundred of Ragland, county Monmouth, 5 miles N.W. of Chepstow, and 6 S.E. of Usk. The parish is of small extent and wholly agricultural. The living is a perpetual curacy in the diocese of Llandaff, value £57, in the patronage of the Archdeacon of Llandaff."
[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.
Kilgwrrwg Parish; Statistics; Area 659 acres; Population 86 males, 68 females, total 154
Kilgwrrwg Parish Church - Erected about 180 years, 1671 Attendance - morning 25, afternoon 35 No Sunday scholars 1 service in English Informant; James White, Registrar
Zion Bible Christians Erected 1842 Attendance - morning 40, evening 60 George M (?), Local Preacher and Steward, Micham, Kilgwrrne Hill
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 ST471982 (Lat/Lon: 51.680015, -2.766539), Cilgwrrwg / Kilgwrrwg which are provided by: