This collection contains index records of various documents relating to 405,923 naturalisations in the United Kingdom from the year 1801 onwards. The documents, free to search, are denization and naturalisation papers, declarations of British Nationality, and declarations of alienage. Records typically contain the name of the individual, residence, date and place of birth, the origin place and the issue date.
This index leads to a file that is a rich resource for the person’s history, not online, that may be consulted at TNA – the UK National Archives.