Mansion House, Dublin party conference of that year. The claim led to a security alert at the house, as the Garda Siochana and army searched for the 25-year-old bomb. Its most famous occupants included Lord Mayors: Mansion House, Dublin The Mansion House () on Dawson Street, Dublin, has been the official residence of the Lord Mayor of Dublin since 1715, and was also the meeting place of the Dáil Éireann from 1919 until 1922. The Mansion House was built in 1710 by the merchant and property developer Joshua Dawson, after whom Dawson Street is named. Dublin Corporation purchased the house in 1715 for
The Mansion House, Old Warden Park The Mansion House, Old Warden Park The mansion house in Old Warden Park is managed by The Shuttleworth Trust. The Trust was established in 1944 by Dorothy Clotilda Shuttleworth in memory of her son Richard Ormonde Shuttleworth (1909-1940). It is a popular venue for weddings, conferences, afternoon tea and as a filming location for period dramas. From 2011 The Mansion House has been the home for The Rhythm Festival, which is an outdoor music festival. The Old Warden estate was bought in the late 17th century by London merchant Sir Samuel Ongley. It passed down in the Ongley family until