<p>Abstract copyright UK Data Service and data collection copyright owner.</p>The purpose of the project was to provide machine-readable economic and social history statistics relating to the whole of Ireland for the period 1821-1971. Further information about the project is available on the QUB <a href=http://www.qub.ac.uk/cdda/CDDA_2011/Completed_Projects/ title="Centre for Data Digitisation and Analysis">Centre for Data Digitisation and Analysis</a> website.<br>
<br><B>Main Topics</B>:<br>Total number of persons in each age group grouped by counties and gender.<br>
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Please note: this study does not include information on named individuals and would therefore not be useful for personal family history research.<br>
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