Years of sexual abuse scandals have shattered the credibility of the Church which four decades ago dominated Irish society.
Francis says he will seek a greater commitment to eliminating this 'scourge'.
The pope later held an hour and a half meeting with victims of abuse at the hands of clergy or in Church-run institutions.
Francis asked that Ireland would not forget "the powerful strains of the Christian message" that have sustained it in the past, and can continue to do so in the future.
As Pope Francis prepares to meet some victims during a visit to Ireland this weekend, his first as pontiff, here are the most prominent abuse cases to come to light.
Ireland faltered with the bat as they were bowled out for just 79 in response to Afghanistan's 160 for eight.
The trip would remain focused on the family but that the pope would have many opportunities to talk about sexual abuse while in Ireland.
The airline said on Wednesday it will cut its Irish fleet by a fifth to 24 aircraft, blaming pilot walkouts for hurting bookings, air fares and consumer confidence in Irish flight schedules.
Ireland is a key EU player in the Brexit talks as the border between it and Northern Ireland will be Britain's only land frontier with the EU and its status is proving a thorny issue.
Article 41.2 of Ireland's constitution appears to dissuade Irish women from full-time employment.
It was the joint second highest winning margin in a Twenty 20 international and set India up nicely for tougher games against England.
India completed the formality of a 2-0 win in Ireland on Friday with their biggest ever T20 victory, by 143 runs.
Speaking privately, one senior European official suggested the Irish should take a more measured approach or risk embarrassment if talks collapsed.
The Irish government has been seeking a greater voice in the running of Northern Ireland amid a political deadlock.
The Irish Supreme Court had previously ruled that regulations placed upon asylum-seekers were unconstitutional.
The border between Northern Ireland and Ireland is the most contentious issue in Brexit talks.
Australia is considering lodging a complaint with match officials against what they consider Ireland's illegal blocking tactics on fullback Israel Folau, according to Wallabies attack coach Stephen Larkham.
Ireland coach Joe Schmidt said that Niall Scannell is likely to be selected for Ireland against Australia instead of Sean Cronin.
The move by McDonald’s comes as plastic waste has come under fire globally, particularly for contributing to ocean pollution and harming birds and sea mammals.
Cobain, who had Irish ancestry, died in 1994 at the age of 27 from a self-inflicted gunshot.
The openside flanker, who sat out the 2017 season on a sabbatical, scored Australia's second try in the 72nd minute and was a constant menace at the breakdown as the Irish fell to a first defeat in 13 tests.
Authorities from Ireland and Northern Ireland alike fear a return to a hard border.
The Irish government admitted that the birth certificates of 126 children adopted in Ireland between 1946 and 1969 were doctored to show their new families as their biological parents.
It was a very comfortable victory for Didier Deschamps' side in the first of three friendly matches before they head to Russia.