South Dublin South Dublin South Dublin () is a county in Ireland, within the province of Leinster, and the Dublin Region, a successor to County Dublin, from which its name derives. South Dublin County Council is the local authority for the county. The county contains both dense suburbs of Dublin and stretches of unpopulated mountain. In 2011 it had a population of 278,749, making it the third most populous county in the state. South Dublin has an area of 222.74 square kilometres. It is bounded by Dublin City (15 km to the north east), the River Liffey (separating it from Fingal to
Beaumont, Dublin by the Church of the Holy Child on the old airport road. This church was blessed by Pope John Paul II as his motorcade passed by during his visit to Ireland in 1979. An all-girls school, Mercy Beaumont School, founded in 1957, is located beside the hospital. St. Fiachra's Junior and Senior Schools are also located near the hospital and the church, and St. Pauls Special School is also here. Beaumont, Dublin Beaumont is a northside suburb of Dublin city, Ireland, bordered by Donnycarney, Santry and Artane. It lies within the postal district of Dublin 9. The name is derived