TP O'Mahony: Whatever its aberrations, Catholicism kept society together
Knock, 1979: Pope John Paul II's visit to Ireland was a very different event than it would be today. Picture: Tim Graham/Getty Images

Yes, of course there were constraints. Economically things were bleak. For thousands of young people, the only option was the emigrant ship. And for the political establishment emigration was a crucial safety valve.

Back in 1922, Michael Collins warned of the need in the new State to avoid “destitution or poverty at one end and at the other an excess of riches”.





