Hi all, The beta version of the National Archives Wiki has a street index for Nottingham for the 1841 census at http://yourarchives.nationalarchives.gov.uk/index.php?title=Category:1841_census_registration_districts&from=Leeds+Registration+District and for 1851 at http://yourarchives.nationalarchives.gov.uk/index.php?title=Place:Nottingham_Registration_District%2C_1851_Census_Street_Index Thanks to Andrew Millard on the Guild of One Name Studies list for finding this. Dai