"Rathcoole", or Rathcool, a parish, in the barony of Gowran, county of Kilkenny, and province of Leinster, 4 miles (N. N. E.) from Kilkenny; containing 1225 inhabitants, and comprising 5110 1/2 statute acres. Within its limits is Sandsford's Court, the property of Michael Warren, Esq., and at Johnswell is a station of the constabulary police. The living is a vicarage, united to that of Kilkyran, and in the gift of the Dean and Chapter, to whom the rectory is impropriate. In the R. C. divisions it forms part of the union or district of St. John's; the chapel is at Johnswell, where there is also a school of about 100, under the patronage of Mr. Warren.
[From A Topographical Dictionary of Ireland (1837)]