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 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 from the French for "beautiful mount" as the parish is located atop an ascent from Fairview and inspired by its clean air and views across Dublin to the Wicklow Mountains. The name was apparently given by Olivia Whitemore and Arthur Guinness in 1764, as they made their new family home in Beaumont House, a protected structure and can be visited today. Beaumont was originally a farm in the Civil Parish