FOI Ref: FOI/2021/3144
You asked
How do I go about obtaining a free copy of the 1921 Census of both my mother and father's family.
We said
Thank you for your Freedom of Information enquiry regarding access to a copies of the 1921 Census.
ONS does not hold the information you have requested. In accordance with the law and government policy ONS keeps all census returns confidential for 100 years, after which time they are accessioned to The National Archive (TNA). Any queries regarding access to information held by TNA should be directed to: https://www.nationalarchives.gov.uk/contact-us/