"PETERSTONE, a parish in the upper division of the hundred of Wentllooge, county Monmouth, 6 miles S.W. of Newport, its post town, and the same distance from Cardiff. The village, which is small, is situated on the Bristol Channel. The impropriate tithes, belonging to the Dean and Chapter of Bristol, have been commuted for a rent-charge of £130, and those of the perpetual curate for one of £25. The appropriate glebe comprises 63 acres. The living is a perpetual curacy in the diocese of Llandaff, value £57, in the patronage of the Dean and Chapter of Bristol. The church, dedicated to St. Peter, is an ancient edifice, with a lofty tower supported by buttresses. It was erected at the expense of Fitzhamon's daughter Maud."
[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.
Peterstone Parish; Statistics; Area 3234 acres; Population 70 males, 81 females, total 151
Peterstone Wentllwg Parish Church Attendance - afternoon 9 1 service in Welsh Samuel Evans, Curate
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 ST268800 (Lat/Lon: 51.514115, -3.056301), Llanbedr Gwynllwg / Peterstone Wentlloog which are provided by: