MALLAEN, a hamlet, partly in the parish of CAYO, and partly in the parish of KILYCWM, higher division of the hundred of CAYO,
county of CARMARTHEN, SOUTH WALES, 7 miles (N. W. by N.) from Llandovery: the population is included in the return for
the respective parishes. This place is a manor belonging to the crown, and forms a part of the lofty and barren mountain
called Mallaen, on the border of Cardiganshire, and on which the inhabitants of Cayo and those of the adjoining parish of
Llanwrda and the hamlet of Ystrad have a right of common pasture and of turbar.y: on the southern ridge of the mountain
are two circular carneddau.