Figure is total for Ennis UD and Ennis environs. http://www.cso.ie/census and www.histpop.org for post 1821 figures, For a discussion on the accuracy of pre-famine census returns see JJ Lee "On the accuracy of the Pre-famine Irish censuses", Irish Population, Economy and Society edited by JM Goldstrom and LA Clarkson (1981) p54, in and also New Developments in Irish Population History, 1700–1850 by Joel Mokyr and Cormac O Grada in The Economic History Review, New Series, Vol. 37, No. 4 (Nov. 1984), pp. 473–488.
