In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Rhaglan like this:
RAGLAN, or Ragland, a village, a parish, and a hundred, in Monmouthshire. The village stands on a smallaffluent of the river Usk, 1¼ mile W S W of Raglan-Foot-path r. station, and 7 W S W of Monmouth; gives the title of Baron to the Duke of Beaufort; and has a post-office‡ under Newport, Monmouth. The parish is in Monmouth district, and comprises 4,083 acres. Real property, £5, 796. Pop., 905. Houses, 195. The property is divided among a few. Raglan Castle stands on a rising ground, ½ a mile N N E of the village; was built, in the time of Henry V., by the Herberts; occupies the site of a previous castle of the Morleys; passed to the Somersets; was the residence of the Earls of Worcester; was garrisoned in 1642, by the Marquis of Worcester, indefence of Charles I.; gave shelter, for some time, to thatmonarch; made successful resistance in his cause till verynear the end of the war; surrendered to Fairfax in Aug., 1646; was subsequently dismantled; is now one of thefinest baronial ruins in England; exhibits the latestforms of the feudal castle, passing into the modern style of fortification; covers a space of about one-third of a mile in circuit; includes a terrace 260 feet long, a greatmachicolated gateway with hexagonal towers, a stonecourt 100 feet by 60, a fountain court, a hall 62 feet by 28, a great kitchen, Charles I.'s tower, the hexagonalyellow tower 193 feet in circuit, and other parts and features; belongs now to the Duke of Beaufort; and is the head-quarters of the Monmouthshire Archery club, and a favourite resort of picnic parties. ...
The living is a vicarage in the diocese of Llandaff. Value, £270.* Patron, the Duke of Beaufort. The church is early perpendicular, with an embattled tower; was recently restoredat a cost of £2, 500; and contains monuments of the Somersets. There are a Baptist chapel, and charities £6. The hundred contains also 20 other parishes, and parts of 3 others; and is cut into two divisions, higher and lower. Acres, 27,090 and 16, 543. Pop. in 1851, 5,032 and 2, 751; in 1861, 8,024. Houses, 1, 718.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Rhaglan has changed, please see our redistricted information for the modern district of Monmouthshire. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Rhaglan and units named after it.
GB Historical GIS / University of Portsmouth, History of Rhaglan in Monmouthshire | Map and description, A Vision of Britain through Time.
Date accessed: 29th August 2016
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Rhaglan".