1838 - 1860
Ancestry.com, UK Pollbooks and Electoral Registers 1538-1893, shows Charles Marryat at South Mimms in 1838 and 1860. South Mimms was apparently in Middlesex: it is now Hertfordshire.
Please note that address locations are approximate. For many claimants, the addresses are only given to the nearest town or borough. Where a full street address is provided, the address has been located as nearly as possible, but street layouts and numbering have often changed since the 19th century.