"LLANGATTOCK JUXTA CAERLEON, a parish in the lower division of the hundred of Usk, county Monmouth, 2 miles N.E. of Newport. It is situated on the river Usk, and near the line of the Newport, Abergavenny and Hereford railway. The parish includes the township and village of Caerleon, its post town. On the other side of the rivet, opposite the village, is the seat of Lord Llanover, built under the shadow of the Blorenge Mountain."
[Description(s) from The National Gazetteer of Great Britain and Ireland (1868)
Hockey, Primrose. Caerleon past and present. Risca : Starling Press, 1981. 147p.
Johns, William N. Historical traditions and facts relating to Newport and Caerleon. Newport : printed and published by W.N. Johns, 1880-85. Contents: v.1. Pre-historic and Roman period.--v.2. The Saxon period.--v.3. Norman and early English period.--v.4. Edward III. to Mary.--v.5. Temp. Elizabeth to Charles I.--v.6. The church during the Puritan period.
Kennerley, E Mrs River Trade and Shipping in Caerleon from the 16th to the 19th Century Gwent Local History vol 47 1979 Welsh Journals Online
Stevens, Norman. Caerleon : 'scenes past' : a walk through history. Abertillery : Old Bakehouse Publications, 1997. 128p
The Parish Church of St Cadoc, Caerleon, Monmouthshire. Gloucester : British Publishing,  24p.
Vaughan, Philip. Byways of Gwent's industrial past : Caerleon, Ponthir and Trostry. Gwent Family History Society Journal. 60 (2000), p. 20-23.
Wiles, Eric. Publications of the Caerleon Antiquarian Association, later Monmouthshire and Caerleon Antiquarian Association, now Monmouthshire Antiquarian Association. Monmouthshire Antiquary 13 (1997), p. 59-66.
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.
Llangattock Parish consisting of Llangattock and the town of Caerleon; Statistics; Area 2937 acres; Population 750 males, 789 females, total 1539
Llangattock Parish - No return
Town of Caerleon
Caerleon Church Attendance - morning 100 + 107 scholars, evening 180 + 87 scholars 2 services in English David Jones, Minister
Baptist Chapel, Castle St, Caerleon Town Erected 1764, enlarged 1821 Attendance - morning 300, afternoon 66 scholars, evening 320 James Evans, Minister
Reheboth, Prim. Methodist, Town of Caerleon Erectedb 1844 Attendance - morning 35 + 10 scholars, afternoon 12 scholars, evening 70 scholars Richard Jones, Steward
Wesleyan Methodist Erected 1814 Attendance - morning 60 + 30 scholars, afternoon - school William Jones, Chapel Steward, Bootmaker
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 ST339906 (Lat/Lon: 51.610289, -2.955995), Llangadog / Llangattock Juxta-Caerleon which are provided by: