"ST. PIERRE, a parish in the upper half division of the hundred of Caldicott, county Monmouth, 2½ miles S.W. of Chepstow. The village, which contains only a few farmhouses, is situated at the ferry over the Severn to New Passage. The tithes have been commuted for a rent-charge of £119, and the glebe comprises about 1 acre. The living is a rectory annexed with that of Sudbrook to the rectory* of Portscuett, in the diocese of Llandaff. The church, which is an ancient edifice, contains a pillar monument to A. St. Pierre, of St. Pierre House."
[Description(s) from The National Gazetteer of Great Britain and Ireland (1868)
Heath, Charles. Monmouthshire : Historical and descriptive accounts of the ancient and present state of Chepstow Castle; including Persfield ... notices of Caerwent ... Moyne's Court, Matherine, and St. Pierre ... Biographical anecdotes relating to ... Henry Marten, one of the judges of King Charles I ... [etc.]. [Monmouth] : C. Heath, .
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.
St Pierre and Runstone Parish; Statistics; Area 591 acres; Population 40 males, 25 females, total 65
St Pierre Parish Church Attendance - morning one Sunday 15, afternoon next Sunday 15 1 service in English Informant, Chrs Davis
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 ST514905 (Lat/Lon: 51.611176, -2.703279), Sain Pyr / St Pierre which are provided by: