"LLANGATTOCK, a parish in the hundred of Crickhowoll, county Brecon, 1 mile W. of Crickhowell, its post town, and 11 miles S.E. of Brecknock. It is situated on the banks of the river Usk, opposite the town of Crickhowell, a bridge connecting the two parishes. The Brecon canal passes through this parish, which includes the parcels of Penallt, Prisk, and Kille. In 728 the Saxons, under Ethelbald, were defeated by the Britons in this neighbourhood. Here are collieries, and the extensive Beaufort iron works, affording employment to many of the people, as well as' limestone quarries.
The workhorse for the poor-law union is in this parish. The living is a rectory* in the diocese of St. David's, value with the curacies of Llangeney and Llanelly annexed, £1,123. The parish church, dedicated to St. Catwg, is an ancient structure in various styles of architecture. The bishops Lloyd and Davies were rectors of this parish. The Independents have a chapel. Here is a cistvaen. Llangattock Place, Glanusk Villa, and Dan-y-Park are the principal residences."
"BRYNMAUR, a village in Prisk parcel, in the parish of Llangattock, hundred of Crickhowell, in the county of Brecon, South Wales, 1 mile from Crickhowell. It is seated on the banks of the river Usk and the Crickhowell canal, not far from the Beaufort iron-works."
"CLYDACH, a hamlet in the parishes of Llangattock and Crickhowell, in the county of Brecon, South Wales, 2 miles from Crickhowell. It is situated on the river Usk, at the point where the Brecknock canal crosses the Clydach rivulet by an aqueduct 80 feet high. The inhabitant, are chiefly engaged in the iron-works."
"DAN-Y-GRAIG, (and Dan y Park) a park in the county of Brecon. It is situated near Llangattock and the Vale of Clydach."
"KILLEY, (or Cille), a parcel in the parish of Llangattock, county Brecon, 3 miles from Crickhowel. It is situated on the river Usk, and is joined to Prisk."
"PENALLT, a parcel in the parish of Llangattock, hundred of Crickhowell, county Brecon. It is situated under a hill near Crickhowell, on the river Usk."
"PRISK AND KILLEY, a parcel in the parish of Llangattock, hundred of Crickhowell, county Brecon, 2 miles W. of Crickhowell. It is situated on the river Usk, near the Brecon canal and Beaufort iron works."