"USK, a parish, post and market town in the hundred of Usk, county Monmouth, 12 miles S.W. of Monmouth, and 10 from Newport. It is a station on the Monmouth branch of the Newport and Hereford (Great Western) line. The town is beautifully situated on the river of its own name, which is here crossed by a fine and very substantial bridge of five arches, erected by William Edwards, the architect of the celebrated Pont-y-pridd. Usk is a sessions and polling town, and jointly with Monmouth and Newport sends a member to parliament."
[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.
Usk Parish (part of) with Gwehellog hamlet; Statistics; Area 2223 acres; Population 903 males, 873 females, total 1776
St Mary's Church, Usk Attendance - morning 250 + 70 scholars, evening 550 2 services in English William Evans, Vicar
St Francis Xavier's Catholic Church, Usk Erected 1846 Attendance - morning 1340, afternoon 160 Argius (Joseph Alexander), Priest
Glascoed Hamlet being part of the Parish of Usk; Statistics; Area 1733 acres; Population 147 males, 115 females, total 262
Glascoed Chapel of Ease Consecrated 1849 ... as an additional church Attendance - afternoon 96 "Tradition says an ancient chapelry existed here but there are no remains....." William Evans, Vicar of Usk
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 SO376007 (Lat/Lon: 51.701514, -2.904374), Brynbuga / Usk which are provided by: