Nature of Source
Introduction
Denization records provide valuable information on individuals who became British subjects through requests for Letters of Denization, granted by the Crown by Royal Charter or Letters Patent. This process can be traced back to the 13th century and was a forerunner to naturalisation. This status offered a limited form of British nationality without acquiring full citizenship rights.
Immigration and Nationality
In nineteenth century Britain, no formal immigration controls existed which allowed free movement without passports or visas. The absence of controls or registration meant many people such as Irish, German, Italian and Jewish immigrants from Eastern Europe settled without detection or restriction. This open-door policy lasted until the Aliens Act of 1905, which marked the first major restriction on immigration. Before the British Nationality and Status of Aliens Act 1914, British nationality was based on common law and precedent. Under common law, nationality was primarily determined by jus soli (right of soil) which is citizenship based on birthplace rather than jus sanguinis (right of blood) which is citizenship based on parental descent and nationality.
Naturalisation Before 1844
Before the Naturalisation Act of 1844, British citizenship was granted to an alien (a foreign national) only through a specific private Act of Parliament, which were used to grant powers or benefits to specific individuals or organisations. This was a time-consuming and complex process but resulted in records rich in detail. The efforts and costs involved meant this method was restricted to a wealthy few. These Acts can be searched online through the Parliamentary Archives Catalogue. However, not all names appear in the titles of these Acts, so researchers should also consult indexes compiled by the Huguenot Society in their Quarto Series.
As an alternative to a private act of parliament, denization offered a limited but more accessible alternative to full citizenship. Acquiring citizenship by either naturalisation or denization was an expensive and complex procedure and therefore only the wealthy and well connected tended to apply. The process benefited wealthier foreigners such as merchants and professionals and largely excluded the general public. Therefore only a minority of immigrants to Britain applied for citizenship. Many simply remained in Britain unregistered without applying for any legal status.
Key Features of Denization
- Denizens allowed to live and work in England.
- Required payment of a fee and an oath of allegiance to the crown.
- No right to vote or stand for election.
- Barred from holding civil or military office.
- No right to inherit property.
- Entitled to purchase land and property.
Denization continued alongside naturalisation until the late 19th century, with the last known case of denization occurring in 1873. The British Nationality and Status of Aliens Act of 1914 effectively brought an end to the process.
Inheritance and Property Rights
Denization also had significant implications for property ownership and inheritance. While denizens could own property, they could not pass it to their children born before denization was granted. Additionally, the legal restrictions on property ownership meant that a denizen’s will might not include devised property, making it more difficult to trace inheritance records.
Naturalisation Act (1844)
The Act marked a significant change in the naturalisation process. It introduced a formal, structured and simplified process for acquiring British nationality, overseen by the Home Office. The law required that all aliens seeking naturalisation and wishing to reside in Britain provide certain personal information about their circumstances and swear an oath of allegiance and supremacy to the British Crown. A certificate would then be issued by the Home Office, granting the right to stay in the country. Certificates of naturalisation were publicly announced and published in either the London, Edinburgh or Belfast Gazette.
Religious Barriers to Naturalisation
Some religious groups including Jews and Catholics were unable to swear the Oaths of Allegiance and Supremacy as part of the naturalisation process. The Oath of Supremacy was introduced during the reign of Henry VIII which proclaimed the monarch as the supreme head of the Church of England, requiring allegiance to the Crown and not the Pope. This presented a significant barrier for Catholics who remained loyal to the Papacy and Jews, who could not swear an oath acknowledging the supremacy of the Anglican Church. Therefore, many Jews and Catholics used the denization procedure as an alternative until the requirements for the oaths were repealed in the 19th century. Therefore, a Jewish or Catholic immigrant may not appear in the records regardless of their wealth or social status.
See also
Huguenot Records and Registers
Jewish Records
Jewish Registers
Lists & Certificates of Aliens/Arrivals
Naturalisation Papers
Passenger Lists
Registers of Aliens
Returns of Aliens
Sacrament Certificates
Where Found
- Series C 66, Patent Rolls, 1702-1844. Letters of denization were entered on the patent rolls until 1844, when responsibility passed to the Home Office.
- Series C 97, Chancery: Original Letters Patent of Denization 1752-1830. An index to the aliens’ surnames is available.
- Series HO 1. Denization and Naturalisation Papers and Correspondence, 1789-1872. General correspondence, denization papers, 1801 to 1840, and naturalization papers, 1802 to March 1871, including memorials, petitions, etc. The index to series HO 1, the TNA Discovery First select advanced search and enter the name being searched. In the ‘Search for or within references’ box type ‘HO 1’ and click the search button
- Series HO 4, Home Office: Original Patents of Denization 1804-1843.
Huguenot Society of Great Britain & Ireland
Naturalization transcriptions. The society, established in 1885, is dedicated to preserving the history of the Huguenots (French Protestants) in Great Britain and the publication of Huguenot records. The society is especially noted for their Quarto series of publications available on CD ROM which includes parish registers from French protestant churches, registers of poor relief institutions, transcriptions from denization and naturalization records and lists of aliens resident in London extracted from tax returns. Please note that the transcribed records deal with all foreigners entering Britain and not just French protestants fleeing persecution.
Period Covered
1400 – 1950
Genealogical Value
- Full name of the person granted denization
- The date when the letters patent of denization were issued
- The individual’s country or place of origin and specific place of birth
- Date of arrival
- Place of residence in Britain
- Address in England and occupation
- Names and ages of children and other family members and marital status
Further References
- Kershaw, Roger & Pearsall, Mark. Immigrants And Aliens: A Guide to Sources On UK Immigration and Citizenship: PRO Publications, 2000
- Shaw, William (ed). Letters of Denization and Acts of Naturalization for Aliens in England and Ireland, 1603-1700: Huguenot Society of London, 1911 (Many of the names listed are extracted from TNA series SP 44/67, returns of foreign residents in London, 1678)
- Shaw, William (ed). A Supplement to Dr. W. A. Shaw’s Letters Of Denization and Acts of Naturalization: Huguenot Society of London, 1932 (The contents is included in the Quarto Series published by the Huguenot Society)
Websites
The National Archives Research Guide
How to look for records of Immigration and immigrants. This guide provides advice on how to locate records of immigrants to England and Britain from the 13th century onwards.
The National Archives Research Guide
How to look for records of Naturalisation, registration and British citizenship. Use this guide if you are looking for records of how, when or if a person obtained British citizenship up to October 1986.
The National Archives Research Guide
How to look for records of Naturalisation case papers 1801-1871. These are naturalisation petitions completed by individuals applying to become British citizens between 1801 and 1871.
Parliamentary Archives Research Guide
Naturalisation Records. Use this guide if you are looking for the records of when a foreign national became a British subject before 1844 or between 1854-1961.
GOV.UK
Historical background information on nationality. The guide provides background information about the history and evolution of nationality laws in the UK.
Lloyd’s Register Foundation
Useful sources for information on immigration and emigration. This information sheet offers a list of contact addresses for relevant institutions and suggested reading for genealogists and those interested in immigration and emigration.
Our Migration Story
The Making of Britain. The website presents the often untold stories of the generations of migrants who came to and shaped the British Isles. The site offers personal stories, historical accounts and educational resources related to migration in the UK from Early and Medieval Migrations to 20th and 21st Century Migrations.
Our Migration Story
Becoming English: letters of denization.
GENUKI
UK and Ireland: Emigration and Immigration.
BBC History
19th Century Immigration, By Else Churchill.
FamilySearch Research Wiki
Aliens and Immigrants in England and Wales.
Moving Here Web Archive
The site offers histories of immigrant communities including Jewish, Caribbean, Irish and South Asian. Collections include digitised documents and photos. Sections include Acts of Parliament relating to migration and naturalization and records of naturalization.
Migration Museum
The Museum explores how the movement of people to and from the UK across the ages has shaped the nation and its people. The collections showcase the stories of migrants who have contributed to British life.
Discover Your Ancestors
Alien ancestors. Denization and naturalisation records feature foreign artisans and aristocrats seeking a better life in Britain, says Laura Berry.
Norfolk Record Office
Researching immigrant ancestry.
Anglo-German Family History Society
The Society welcomes all those who are interested in researching the genealogy or family history of people from the German-speaking parts of Europe who have emigrated over the centuries and settled in England, Scotland, Wales and Ireland.
Anglo Italian Family History Society
The Society helps people research their Italian ancestors who lived in or passed through England, Scotland, Wales, or Ireland. The website offers guidance on understanding the social and cultural heritage of Italian migrants, covering their journeys, places of origin and settlement, and significant life events.
Online Databases
Ancestry
UK, Naturalisation Certificates and Declarations, 1870-1916. This collection includes naturalisation certificates, declarations of British nationality, and re-admissions to British nationality, as well as related correspondence. The original data is from series HO 334 held at The National Archives.
Ancestry
England, Alien Arrivals, 1810-1811, 1826-1869. This data collection contains lists of aliens (non-British citizens) arriving in England between 1810 and 1869. The records come from the following National Archives collection series FO 83/21-22, HO 2, HO 3 and CUST 102/393-396. These records were primarily created as a result of various acts passed by parliament to regulate immigrants and other incoming individuals.
Ancestry
UK, Aliens Entry Books, 1794-1921. This data collection consists of correspondence and other documents of the Home Office and the Aliens Office from 1794 to 1921. The majority of the collection consists of out-letters relating to aliens and naturalisations from Series HO 5.
MyHeritage
United Kingdom, Naturalisation Certificates and Declarations. This collection contains various documents relating to naturalisations in the United Kingdom from the year 1801 onwards. The documents that comprise this collection are denization and naturalisation papers, declarations of British Nationality, and declarations of alienage.
Findmypast
Britain & Ireland, Naturalisations 1603-1700. The collection contains records of seventeenth-century immigration and naturalisation. These records are drawn from the volume “Letters of Denization and Acts of Naturalization for Aliens in England and Ireland, 1603-1700,” edited by William A. Shaw and published by The Huguenot Society of London in 1911. Shaw’s records come from Patent Rolls and State Papers.
Findmypast
Britain, Naturalisations 1844-1990. Search a selection of naturalisation certificate, consisting of nearly 100,000 records for those who became naturalised British subjects. These records are abstracted from archive record series HO 334 and HO 409 held at The National Archives.
Findmypast
Manchester Naturalisation Society 1896-1909. Records of 542 individuals included in a cash book for the Manchester Naturalisation Society 1896-1909.
The National Archivesv
Aliens Registration Cards. Search aliens registration cards of those living in the London area from 1914 taken from series MEPO 35 covering some 1,000 foreign nationals.
The Genealogist
Naturalisation and Denization Records, 1609-1960. The collection from the Home Office also includes over 5,000 Huguenot records.
University of York
England’s Immigrants 1330-1550. Search over 64,000 names of people known to have migrated to England during the period of the Hundred Years’ War and the Black Death, the Wars of the Roses and the Reformation. The information has been drawn from a variety of records including taxation assessments, letters of denization and protection, and a variety of other licences and grants. The site also explores extensive archival evidence about the names, origins, occupations and households of foreigners who chose to make their lives and livelihoods in England. The project is a collaboration between the University of York, The National Archives and the Humanities Research Institute, University of Sheffield.
SoG Data Online
Polish Immigrants to England. Polish refugees accepting subsistence 1837-1842.
British Jewry
Jewish Chronicle Naturalisations 1902-1906. This resource comprises of a list of over 3500 naturalisations. These (mostly) Jewish naturalisations were published in the Jewish Chronicle between 1902 and 1906. Submitted by Beverly Bergman and Ian Melville.
CD Roms
Huguenot Society
Quarto Series: Records of naturalization and denization in Great Britain and Ireland. The transcriptions include the names of the individuals and also details about their origins and dates of naturalization.
Internet Archive
Letters of Denization and Acts of Naturalization for Aliens in England and Ireland, 1701-1800, edited by William A. Shaw and originally published by Huguenot Society of London in 1911.
