United Kingdom Census 1871
The United Kingdom Census 1871 was a census of the United Kingdom of Great Britain and Ireland carried out on 2 April 1871. It added the categories of "lunatic" and "imbecile" to those recorded as infirm.
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Wikipedia
The United Kingdom Census 1871 was a census of the United Kingdom of Great Britain and Ireland carried out on 2 April 1871. It added the categories of "lunatic" and "imbecile" to those recorded as infirm.