"WHITSON, a parish in the lower division of Caldicott hundred, county Monmouth, 6 miles S.E. of Newport. It is situated near the Bristol Channel. The land is partly in common. The living is a vicarage* in the diocese of Llandaff value £180, in the alternate patronage of the Chapter of Llandaff and the Provost of Eton College. The church is said to have belonged to Portown, a place now swallowed up by the sea."
[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 built after 1851.
Witson or Whitson Parish; Statistics; Area 1073 acres; Population 43 males, 33 females, total 76
Witson Parish Church Attendance - usual number morning 6 1 service in English B Samuel, Registrar
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 ST381834 (Lat/Lon: 51.546036, -2.894078), Whitson which are provided by: