LLANFAIRARYBRYN, a parish and a sub-district in Llandovery district, Carmarthen. The parish lies on the Sarn Helen way, on the Llandovery and Knighton railway, and on the rivers Bran and Towy, at the S end of Cilcurn forest, 1 mile N of Llandovery; has a post office of the name of Llanfair, under Carmarthen; and contains the hamlets of Rhandir-Abbot, Rhandir-Isaf, Rhandir.Canol, and Rhandir-Uchaf. Acres, 23,457. Real property, £9,405; of which £2,500 are in mines. Pop. in 1851,1,705; in 1861,1,559. Houses, 303. The property is not much divided. There are lead mines, belonging to the Earl of Cawdor. A Roman camp is on an eminence round the site of the church, and has furnished Roman coins, bricks, and other relics. The name Llanfairarybryn signifies ' ' Mary church on a hill. ''The living is a vicarage, annexed to the vicarage of Llandingat, in the diocese of St. David's. The church is tolerably good.—The sub-district is conterminate with the parish.

(John Marius Wilson, Imperial Gazetteer of England and Wales (1870-72))