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Naturalisation case papers 1801-1870
What are these records?
These are naturalisation petitions completed by individuals applying to become British citizens between 1801 and 1871.
The records include:
- all naturalisation applications to the Secretary of State, 1844-1871
- some naturalisations by private Act of Parliament, 1801-1868
- some letters applying for denization, 1801-1840
Denization entitled people to certain rights, but not the full rights of a British citizen.
These naturalisation and denization papers make up The National Archives' series HO 1.
What information do they contain?
Until 1844 naturalisation was an expensive procedure which few people could afford. Therefore you can often find applications from royalty.
These case papers can provide quite detailed information on the applicant.
They may contain the following information:
- family details
- birth date
- birth place
- year of arrival into the UK
- address of the applicant
- character reference(s)
How do I search the records?
You can search the records by name in Discovery, our catalogue, using the search box below.
Search by name or country/state of origin.
What do the records look like?
Some of these records include seals.
Click on the image to the right to get an idea of what the records look like. This is one page from the record for Paul Julius Reuter, founder of Reuters news agency (catalogue reference: HO 1/79/2403).