Mansion House, Dublin 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 assignment as the official residence of the Lord Mayor. It retains this purpose to this day. In 1821, the Round Room was built in order to receive King George IV., while the distinctive
Manoogian Mansion Derrick. The Manoogian mansion is one of the few houses in Detroit that has a boat house. Manoogian Mansion The Manoogian Mansion is the official residence of the mayor of Detroit, Michigan. It is located at 9240 Dwight Street in the Berry Subdivision Historic District, on the city's east side, backing up to the Detroit River. The mansion was built in 1928 at the cost of $300,000. The original owner lost the home during the Great Depression and it sat vacant until Alex Manoogian, founder of the Masco company, purchased the home at an auction in 1939 for a mere