Lewis’ Topographical Dictionary comprises of several counties, cities, boroughs, parish and villages – with historical and statistical descriptions – of Ireland. Here are From-Ireland.net’s records for Co. Waterford.
ContentGUILCAGH or GILCOO, a parish, in the barony of UPPERTHIRD, county of WATERFORD, and province or MUNSTER, containing with the post-town of Portlaw ?21 inhabitants.
It comprises 2059 statute acres as applotted under the tithe act, and is a vicarage in the diocese of Lismore, forming part of the union of Dunhill; the rectory is impropriate in the corporation of Waterford and the Duke of Devonshire. The tithes amount to £148 7s. 1d., of which £88 is payable to the corporation, £16 7s. 1d, to the Duke of Devonshire and £44 to the vicar. The church is used as a chapel of ease to Dunhill.
There are two private schools, in which about 150 children are educated. Near Coolfin are the ruins of Kilbunny church.