http://www.cso.ie/census and www.histpop.org. Post 1991 figures include environs of Nenagh. For a discussion on the accuracy of pre-famine census returns see JJ Lee "On the accuracy of the pre-famine Irish censuses" in Irish Population, Economy and Society edited by JM Goldstrom and LA Clarkson (1981) p54, and also "New Developments in Irish Population History, 1700–1850" by Joel Mokyr and Cormac Ó Gráda in The Economic History Review, New Series, Vol. 37, No. 4 (Nov. 1984), pp. 473–488.
