Relics of St Bernadette of Lourdes will arrive at Knock Airport this evening, in their first ever visit to Ireland.
She saw the Virgin Mary 18 times at the Grotto in Lourdes in 1858.
The annual Elphin Pilgrimmage to Lourdes has been taking place for the past five days and includes many Shannonside pilgrims.
Bishop Kevin Doran, who has been on the pilgrimage, will bring the relics home tonight.
They will then be taken on a pilgrimage around Ireland, including to St Mel's Cathedral in Longford and St Nathy's Cathedral in Ballaghaderreen in the coming weeks.
Andrew Reynolds, from Rooskey in Co Roscommon, is on the Elphin Pilgrimmage - and he spoke to another pilgrim, Danny Burke, from Castlerea, in Lourdes last night.
Eoghan Murphy has been speaking to the parish priest of Knock, Fr Richard Gibbons, about the issue - he first told him about St Bernadette:
