PALMERSTOWN, Or PALMERSTON, a parish and village in Uppercross barony, Dublin county, 3 3/4 miles West from the General Post Office, Dublin, comprising an area of 1,518 acres, of which 7 are in the village. Population of the parish, 1,411 ; of the village, 201, inhabiting 40 houses.

It is situated on the river Liffey and road to Lucan, and contains large cotton mills, iron and lead works, and oil and dye-stuff mills. The village consists of small humble dwellings, irregularly built, a Roman Catholic chapel, and Constabulary Police station; a fair for horses and cattle, well frequented, takes place on 21st August. The Cashel, or Great Southern and Western line of railway passes through the parish. In the vicinity there are several handsome seats and villas, the principal of which is Palmerstown House, a seat of the Earl of Donoughmore, erected by his grandfather, the Right Hon. T. H. Hutchinson, when Secretary for Ireland. It is a spacious mansion in an elevated situation, commanding fine views. In the Irish peerage this place gives the title of Viscount Palmerston to the Right Hon. Henry John Temple.

The nearest Post Office letter receiver is Chapelizod.