A Mass for 40,000 people will be held in Croke Park at the end of May. The Mass, to commemorate the centenary of the Pioneer Association, will take place on Sunday, May 30th.
Some 21,000 of the 43,000 available tickets available have already been sold.
The Mass will be celebrated by the Archbishop of Dublin, Dr Desmond Connell.
Tickets are available from the Pioneer Association, 27 Upper Sherrard Street, Dublin 1, at a cost of £5 each. Telephone: (01) 8749464.