ILAR, a hundred in Cardigan; bounded, on the N, by the river Rheidol; and extending across the centre of the county, from Cardigan bay to Radnorshire. It is cut into two divisions, lower and upper; and it contains the town of Aberayron, and eighteen parishes and parts of two others. Acres, of the l. div., 43, 976. Pop. in 1851, 8, 490. Houses, 1,863. Acres of the u. div., 80, 31 4. Pop. in 1851, 8, 712. Houses, 1, 695. Pop. of the whole in 1861, 18, 433. Houses, 3, 895.

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