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
Montana Governor's Residence Montana Governor's Residence The Former Montana Executive Mansion, also known as the Original Governor's Mansion, is a property in Helena, Montana, listed on the National Register of Historic Places in 1970. In 1913, the state of Montana acquired a mansion to serve as the official residence for the governor of Montana. The house and carriage house were built originally in 1888 by William Chessman. Between 1913 and 1959, it was home to nine Montana governors and their families. Originally known as the William Chessman Mansion and after 1959 as the Governor's Old Mansion, it was built in 1888. It is