Free access is available to the 1921 Census within the Library building through Findmypast.
This is the latest census to be released and the most detailed, as it includes information regarding education and names of employers.
The next census, the 1951 census, will not be available until 2052 because the 1931 census was lost in a fire and no census was taken in 1941 due to World War II.
Image: © Crown Copyright, The National Archives by kind permission of Findmypast
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Learn how the births, marriage and death registers can help you.
The census offers a wealth of information for family historians since 1801.
The Library holds numerous different records useful for family history. From the records of the Church in Wales to the Court of Great Sessions.
Tithe Maps were published with apportionment documents, which include information regarding land owners, tennants, farm names and land use.
From family notices to information about local and national events, newspapers are a fantastic source of information to bring your family history to life.
The Library holds numerous archives, from large estate archives to smaller individual archives. These can offer additional family history information.