United Kingdom

United Kingdom Naturalizations

Naturalisation certificates and declarations of British nationality (1870-1912) Search and download naturalisation certificates and declarations of British nationality (HO 334) from 1870 to 1912 from Ancestry.com

Naturalisation case papers (1801-1871)Search and download (£) naturalisation case papers (HO 1) for 1801-1871

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Naturalisation case papers (1872-1934) and duplicate naturalisation certificates (1870-1982)Scroll down for the search field to search Discovery, the catalogue for case papers (HO 45, HO 144, HO 382) and naturalisation certificates and entries (HO 334, HO 409). Certificates include those issued to foreign nationals in the UK (1870-1980) and abroad (1915-1982). Search by name followed by nat* (for example Michael Marks nat*)

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Denizations & Naturalizations in UK

United Kingdom Passports

Before the First World War it was not compulsory for someone travelling abroad to apply for a passport. Possession of a passport was confined largely to merchants and diplomats, and the vast majority of those travelling overseas had no formal documents.

Indexes of British passport applicants (1904-1916)Search the indexes of names of passport applicants between 1904-1916 in FO 611/20-25. The indexes are not in strict alphabetical order but are listed chronologically by initial letter of surname.

Registers of British passport applications (1795-1948)Browse the registers of British passport applications in FO 610, which are arranged by date and by passport number. They generally contain little more than the information in the online indexes and sometimes even less, but provide a longer, unbroken run of years.

Passports (1802-1961) and case papers (1916-1983)Search by name for Foreign Office passports in FO 655 and Passport Office case papers in FO 737. These are small collections of records and therefore not comprehensive. Narrow your search by using quotation marks to find a full name, such asJohn Williams