Tullamore, a market town and the county town of King's County, Ireland, on the Grand Canal and a branch of the Great Southern & Western railway, by which it is 58 m. W. by S. of Dublin. Pop. (1901), 4639. The town is the seat of the county assizes, has a court house and other county buildings, and is governed by an urban district council. There is considerable trade in agricultural produce, and brewing and distilling are carried on. Charleville park is a fine demesne, and there are several small ruined castles in the neighbourhood, notably Shragh Castle, dating from 1588.