KILBRACKEN, or BALLYBRACKEN, a parish, partly in the barony of UPPER PHILIPSTOWN, an isolated portion of KING'S COUNTY, and partly in that of WEST OPHALY, in the county of KILDARE, and province of LEINSTER, 3 - miles (S. E.) from Monastereven, on the road to Athy; containing 1216 inhabitants. It comprises 2747 statute acres, as applotted under the tithe act, and valued at £1542. 5. per annum. The living is a rectory and vicarage, in the diocese of Kildare, and in the patronage of the Marquess of Drogheda: the tithes amount to £138. 9. 3. About 100 children are educated in the parochial school.