1841 Census of Great Britain, Occupations (Sample Report Title: Abstract of the Answers and Returns made pursuant to Acts 3 & 4 Vict. c. 99, and 4 Vict. c. 7, intituled respectively " An Act "for taking an Account of the Population of Great Britain," and "An Act to amend the "Acts of the last Session for taking an Account of the Population." Occupation Abstract, 1841: Part I. England and Wales, and Islands in the British Seas), Table [7]: " TABLE showing the Number of Persons employed in the Manufacture of Engines and Machines".

  MALES FEMALES TOTAL
20 Years of Age and upwards Under 20 Years of Age 20 Years of Age and upwards Under 20 Years of Age
ENGLAND AND WALES, AND ISLES IN THE BRITISH SEAS. 10,795 2,515 673 378 14,362
SCOTLAND. 1,508 502 109 69 2,188
TOTAL GREAT BRITAIN. 12,304 3,017 782 447 16,550