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
St Catherine's Church, Dublin (Church of Ireland) St Catherine's Church, Dublin (Church of Ireland) St. Catherine's Church, on Thomas Street, in Dublin, Ireland, was originally built in 1185. It is located on what was once termed the ""Slí Mhór"" (Irish: Great Way) - a key route that ran westwards across Ireland from Dublin. The church was rebuilt in its present form in the 18th century by John Smyth (or Smith). The church closed in 1966 due to a decrease in the size of the local congregation. The church was de-consecrated the following year, and for a period was used by Dublin Corporation for exhibitions and concerts. After