↑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 Ó Gráda in The Economic History Review, New Series, Vol. 37, No. 4 (November 1984), pp. 473-88