In 1841/51 census is a Policeman, in 1851 at Mansion House, City of London.
Until the mid-18th century, Lord Mayors used their own houses or livery (Guild) halls for their work as head of the City's governmental, judicial and civic functions. The original use for Mansion House was as the Lord Mayors court. The idea of creating a permanent residence arose after the Great Fire of 1666 to provide a house for Lord Mayors who did not have their own livery hall. But it was almost three quarters of a century later that the architect and Clerk of the City's Work, George Dance the Elder, was chosen to design and build The Mansion House. The first stone was laid in 1739 but it ws not until 1752 that Lord Mayor Sir Crispin Gascoigne was able to take up residence there. Work was completed in 1758.
The Mansion House is literally at the Heart of the City, above Bank tube station and on the site of a livestock market over the River Walbrook sharing a five-way junction with Royal Exchange, the Bank of England and Hawksmoor's St Mary Woolnoth. With the exception of Queen Victoria Street, all the streets nearby (Cheapside, Cornhill, Poultry) are Roman.
Today the Mansion House is home to some magnificent plate, a collection of sculptures and the 84 Dutch paintings of the Harold Samuel Art Collection.
http://www.cityoflondon.gov.uk/Corporation/LGNL_Services/Leisure_and_culture/Local_history_and_heritage/Buildings_within_the_City/Mansion_house/History+of+the+Mansion+House.htm
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